diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql
index c762c11..8a809af 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql
index 8ac0753..967727f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql
index bff5315..88dadfe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql
index bff5315..88dadfe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql
index 955bedf..aad670d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql
@@ -34,5 +34,5 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby-2/big_object_groupby.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby-2/big_object_groupby.1.ddl.aql
index 554281e..0930323 100644
--- a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby-2/big_object_groupby.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby-2/big_object_groupby.1.ddl.aql
@@ -72,13 +72,13 @@
 
 create external dataset Line(LineType)
 using localfs
-(("path"="nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Order(OrderType)
 using localfs
-(("path"="nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Customer(CustomerType)
 using localfs
-(("path"="nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby/big_object_groupby.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby/big_object_groupby.1.ddl.aql
index 554281e..0930323 100644
--- a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby/big_object_groupby.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_groupby/big_object_groupby.1.ddl.aql
@@ -72,13 +72,13 @@
 
 create external dataset Line(LineType)
 using localfs
-(("path"="nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Order(OrderType)
 using localfs
-(("path"="nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Customer(CustomerType)
 using localfs
-(("path"="nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.1.ddl.aql
index 554281e..0930323 100644
--- a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.1.ddl.aql
@@ -72,13 +72,13 @@
 
 create external dataset Line(LineType)
 using localfs
-(("path"="nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Order(OrderType)
 using localfs
-(("path"="nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Customer(CustomerType)
 using localfs
-(("path"="nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.3.query.aql
index deeec90..687ab0f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_join/big_object_join.3.query.aql
@@ -28,6 +28,7 @@
 for $c in dataset('Customer')
 for $o in dataset('Order')
 where $c.c_custkey = $o.o_custkey
+order by $o.o_orderkey, $c.c_custkey
 return {
   "c_custkey": $c.c_custkey,
   "o_orderkey": $o.o_orderkey,
diff --git a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_load/big_object_load.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_load/big_object_load.1.ddl.aql
index 14ae072..fb61634 100644
--- a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_load/big_object_load.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_load/big_object_load.1.ddl.aql
@@ -72,13 +72,13 @@
 
 create external dataset Line(LineType)
 using localfs
-(("path"="nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Order(OrderType)
 using localfs
-(("path"="nc1://data/big-object/order.tbl.verylong.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/order.tbl.verylong.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Customer(CustomerType)
 using localfs
-(("path"="nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_sort/big_object_sort.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_sort/big_object_sort.1.ddl.aql
index e8fe215..669a784 100644
--- a/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_sort/big_object_sort.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/big-object/big_object_sort/big_object_sort.1.ddl.aql
@@ -72,13 +72,13 @@
 
 create external dataset Line(LineType)
 using localfs
-(("path"="nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/lineitem.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Order(OrderType)
 using localfs
-(("path"="nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/order.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Customer(CustomerType)
 using localfs
-(("path"="nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/big-object/customer.tbl.big"),("input-format"="text-input-format"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql
index 6218c6b..74731b3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql
@@ -20,8 +20,8 @@
 
 load dataset User
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
+(("path"="asterix_nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
 
 load dataset UserCopy
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
+(("path"="asterix_nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql
index 6218c6b..74731b3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql
@@ -20,8 +20,8 @@
 
 load dataset User
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
+(("path"="asterix_nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
 
 load dataset UserCopy
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
+(("path"="asterix_nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql
index d37a99c..6968f8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql
@@ -20,11 +20,11 @@
 
 load dataset UserOpen
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
+(("path"="asterix_nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
 
 load dataset UserCopyClose
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
+(("path"="asterix_nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
 
 
 insert into dataset UserOpen(
diff --git a/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql
index cf20274..1b655de 100644
--- a/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset TwitterData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/smalltweets.txt"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/twitter/smalltweets.txt"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql
index 7bcf0df..2a3b900 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql
@@ -27,6 +27,6 @@
 
 load dataset test.employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql
index b320481..f6e9247 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql
@@ -63,5 +63,5 @@
 
 create external dataset test1.TwitterData(Tweet)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/extrasmalltweets.txt"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/extrasmalltweets.txt"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql
index 85b3e4d..e15727e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset test1.Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 insert into dataset test2.Customers(
 for $x in dataset('test1.Customers')
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql
index fb0cfbf..beb5aa8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql
@@ -23,10 +23,10 @@
 
 load dataset test1.Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),
+(("path"="asterix_nc1://data/nontagged/customerData.json"),
 ("format"="adm"));
 
 load dataset test2.Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql
index 4824854..2b90824 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql
index fc44d79..b1f7ff9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql
index fc44d79..b1f7ff9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql
index fc44d79..b1f7ff9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql
index fc44d79..b1f7ff9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql
index 4824854..2b90824 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql
index 73fcbc9..e971074 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql
@@ -43,4 +43,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql
index 4824854..2b90824 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql
@@ -42,4 +42,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql
index 8b5ba9d..11e988f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Customers1 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm")) pre-sorted;
 
 load dataset Orders1 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/order-tiny.adm"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql
index 6c4bdee..d28679c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql
@@ -20,11 +20,11 @@
 
 load dataset Customers2 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
 
 load dataset Orders2 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/order-tiny.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm"));
 
 insert into dataset CustomerOrders2 (
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql
index 9c1b99b..67da3a1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Customers3 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm")) pre-sorted;
 
 load dataset Orders3 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/order-tiny.adm"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql
index 36a57ab..0bcfe66 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset CustomerOrders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/custorder-tiny.adm"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/custord-tiny/custorder-tiny.adm"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql
index 1806bd6..4a36457 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql
@@ -52,8 +52,8 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql
index 1806bd6..4a36457 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql
@@ -52,8 +52,8 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql
index 06aef78..cd92eb2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql
@@ -53,8 +53,8 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql
index ff1709a..ed5d5eb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql
@@ -60,8 +60,8 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql
index d2acb4b..a28685a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql
@@ -20,5 +20,5 @@
   
 load dataset c1 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql
index 3a03652..f626d0e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql
index 3a03652..f626d0e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql
index 3a03652..f626d0e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql
index 3a03652..f626d0e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql
index 3a03652..f626d0e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql
index 3a03652..f626d0e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql
@@ -34,4 +34,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql
index fffbde4..9ed4d0a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql
@@ -44,5 +44,5 @@
 
 create external dataset User(UserType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/events/tiny/user.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/events/tiny/user.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql
index b94eed7..3acaf2f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql
@@ -51,5 +51,5 @@
 
 create external dataset Event(EventType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/events/tiny/event.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/events/tiny/event.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql
index e983be8..56be3ae 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset User 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/events/tiny/user.adm"),("format"="json")) pre-sorted;
+(("path"="asterix_nc1://data/events/tiny/user.adm"),("format"="json")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
index c8ece4e..deb5caa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql
index e92278b..b62427f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql
@@ -20,35 +20,35 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 delete $l from dataset LineItem;
 delete $o from dataset Orders;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql
index 0eed4a5..8f9aab3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql
@@ -51,11 +51,11 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10
 
-write output to nc1:"rttest/dml_delete-syntax-change.adm";      
+write output to asterix_nc1:"rttest/dml_delete-syntax-change.adm";      
 for $c in dataset('LineItem')
 order by $c.l_orderkey, $c.l_linenumber
 return $c 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql
index c8ece4e..deb5caa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql
index 29a1ac2..fd1a3c0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql
@@ -28,5 +28,5 @@
 // Load data
 load dataset t1
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql
index faa391b..21dbdd5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql
@@ -27,8 +27,8 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql
index be56007..5503eb1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset test.employeeClosed
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 insert into dataset test.employee (
 for $x in dataset test.employeeClosed
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
index 3fab52d..df097a4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset test.employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
 insert into dataset test.employee (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
index 9f37d6b..38017c1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset myData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
+(("path"="asterix_nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
 
 
 insert into dataset myData (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql
index 23bd9bf..af02802 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql
@@ -29,11 +29,11 @@
 
 load dataset myData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
+(("path"="asterix_nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
 
 load dataset myData2 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/odd-numbers-2.adm"),("format"="adm"))pre-sorted;
+(("path"="asterix_nc1://data/odd-numbers-2.adm"),("format"="adm"))pre-sorted;
 
 insert into dataset myData (
 for $x in dataset myData2
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql
index dd8d844..679ecc9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql
@@ -20,7 +20,7 @@
 use dataverse recovery;
 
 load dataset Fragile_raw using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/fragile_01.csv"),("format"="delimited-text"),("delimiter"=",")) pre-sorted;
+(("path"="asterix_nc1://data/csv/fragile_01.csv"),("format"="delimited-text"),("delimiter"=",")) pre-sorted;
 
 use dataverse recovery;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
index cb82e32..e3114e9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineID 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
index ae78eef..f900366 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineID 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql
index ac8ecb6..7edf2ec 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineID 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineID (
 let $x:=1
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql
index b211589..0becda5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql
@@ -20,15 +20,15 @@
 
 load dataset onektup 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset tenktup1 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/wisc/tenktup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/wisc/tenktup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset tmp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/wisc/empty.adm"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/wisc/empty.adm"),("format"="adm")) pre-sorted;
 
 insert into dataset tmp(
 for $l in dataset('tenktup1')
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-syntax.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-syntax.aql
index a822ed7..9d778ab 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-syntax.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-syntax.aql
@@ -46,7 +46,7 @@
  
  insert into dataset testds { "id": 4, "name": "Person Four", "hobbies": {{"Metal", "Jazz"}}}
 
-write output to nc1:"rttest/dml_insert-syntax.adm";
+write output to asterix_nc1:"rttest/dml_insert-syntax.adm";
 
 for $d in dataset("testds")
 order by $d.id
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql
index e2d69b3..5d65426 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql
@@ -20,11 +20,11 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineID 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 
 insert into dataset LineID (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql
index a2a90c6..fa1b3a1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql
@@ -20,11 +20,11 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineID 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineID (
 for $l in dataset('LineItem')
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_01/load-with-autogenerated-pk_adm_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_01/load-with-autogenerated-pk_adm_01.2.update.aql
index f97c997..ecfd551 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_01/load-with-autogenerated-pk_adm_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_01/load-with-autogenerated-pk_adm_01.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using localfs
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_02/load-with-autogenerated-pk_adm_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_02/load-with-autogenerated-pk_adm_01.2.update.aql
index 09eafa9..1d106fd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_02/load-with-autogenerated-pk_adm_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_02/load-with-autogenerated-pk_adm_01.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using localfs
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_03/load-with-autogenerated-pk_adm_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_03/load-with-autogenerated-pk_adm_03.2.update.aql
index 09eafa9..1d106fd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_03/load-with-autogenerated-pk_adm_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_03/load-with-autogenerated-pk_adm_03.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using localfs
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_04/load-with-autogenerated-pk_adm_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_04/load-with-autogenerated-pk_adm_04.2.update.aql
index 09eafa9..1d106fd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_04/load-with-autogenerated-pk_adm_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_adm_04/load-with-autogenerated-pk_adm_04.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using localfs
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_01/load-with-autogenerated-pk_csv_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_01/load-with-autogenerated-pk_csv_01.2.update.aql
index 36a724e..c2d0efc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_01/load-with-autogenerated-pk_csv_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_01/load-with-autogenerated-pk_csv_01.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using localfs
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk.csv"),("format"="delimited-text"),("delimiter"=","));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk.csv"),("format"="delimited-text"),("delimiter"=","));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_02/load-with-autogenerated-pk_csv_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_02/load-with-autogenerated-pk_csv_02.2.update.aql
index fa3b38b..7ca2db5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_02/load-with-autogenerated-pk_csv_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_csv_02/load-with-autogenerated-pk_csv_02.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using localfs
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.csv"),("format"="delimited-text"),("delimiter"=","));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk_including_uuid.csv"),("format"="delimited-text"),("delimiter"=","));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql
index 5e63a67..857b50d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id-autogenerated-pk.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk.txt"),("format"="delimited-text"),("delimiter"=":"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql
index 5a9b821..78ba7bc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset test.LineItemOpen (
 	for $x in dataset test.LineItem
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql
index 93b955c..23753eb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
index 5f93816..80878aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql
index a357acb..930d3a9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset test.MyDataOpen (
 	for $x in dataset test.MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
index 847c06e..f7123f7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql
index 93b955c..23753eb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql
index 4fc73ff..c2e0770 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql
index 38cfb70..db0ced0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset LineID 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 
 insert into dataset LineID (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql
index 44f5cc8..86ba9fd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse SocialNetworkData;
 
 load dataset FacebookUsers using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/fbu-dml-insert-shuffled.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbu-dml-insert-shuffled.adm"),("format"="adm"));
 
 insert into dataset HandbookUsers (
 for $x in dataset FacebookUsers
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
index c517007..08762bc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql
index d82e35c..75b0853 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 insert into dataset test.CustomersOpen (
 	for $x in dataset test.Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
index ef9b71d..9e8cb49 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql
index d3c8bf2..6c509e5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
index e170655..898b149 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
index a909387..5fcba25 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql
index f48d25a..f060dbc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
index 05f2a6a..a4d2df7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
index 6c57a52..d87d7d4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql
index 85d436a..1b08b9a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset MyData
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset test.MyDataOpen (
 	for $x in dataset test.MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
index 847c06e..f7123f7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
index 548b204..2a1e102 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql
index b175ada..f82fa08 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
index 7fd857f..5f60f94 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql
index 0c953a7..4f7d5f0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql
@@ -26,4 +26,4 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
index 3680953..753bc61 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
index 6a8ac98..268ab54 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql
index 2f48bc8..5b4f4ee 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql
@@ -26,4 +26,4 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
index d9ab127..d4255a9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
index 8887ad4..4e3981c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql
index 12ca0fb..a9b3750 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
index 49d8289..b13bab9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
index de13744..932ccff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql
index 63e7018..b628a67 100644
--- a/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql
@@ -37,5 +37,5 @@
 
 create external dataset Emp(EmpType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/employee.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/employee.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql
index 5f9b0e2..46d4ac4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql
@@ -37,4 +37,4 @@
 
 create external dataset Emp(EmpType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/employee.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/employee.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql
index ccb1af4..3de299b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_01/feeds_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_01/feeds_01.1.ddl.aql
index 18031f2..69f87d5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_01/feeds_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_01/feeds_01.1.ddl.aql
@@ -38,4 +38,4 @@
 
 create feed TweetFeed
 using file_feed
-(("output-type-name"="TweetType"),("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("tuple-interval"="10"))
+(("output-type-name"="TweetType"),("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("tuple-interval"="10"))
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.1.ddl.aql
index 78c1541..353b57e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.1.ddl.aql
@@ -41,4 +41,4 @@
 
 create feed  TweetFeed
 using file_feed
-(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
+(("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_03/feeds_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_03/feeds_03.1.ddl.aql
index 1db61eb..3b1595a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_03/feeds_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_03/feeds_03.1.ddl.aql
@@ -43,5 +43,5 @@
 
 create feed TweetFeed
 using file_feed
-(("output-type-name"="TweetType"),("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("tuple-interval"="10"))
+(("output-type-name"="TweetType"),("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("tuple-interval"="10"))
 apply function feed_processor;
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_10/feeds_10.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_10/feeds_10.1.ddl.aql
index 669d3d0..82f44d4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_10/feeds_10.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_10/feeds_10.1.ddl.aql
@@ -45,4 +45,4 @@
 
 create feed TweetFeed
 using file_feed
-(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
+(("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_11/feeds_11.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_11/feeds_11.1.ddl.aql
index 600bdda..f8ec383 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_11/feeds_11.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_11/feeds_11.1.ddl.aql
@@ -40,6 +40,6 @@
 
 create feed TweetFeed
 using file_feed
-(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
+(("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_12/feeds_12.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_12/feeds_12.1.ddl.aql
index 28b25e1..cf479fc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_12/feeds_12.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_12/feeds_12.1.ddl.aql
@@ -43,6 +43,6 @@
 
 create feed TweetFeed
 using file_feed
-(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets_duplicate.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
+(("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets_duplicate.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.1.ddl.aql
index 600bdda..f8ec383 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.1.ddl.aql
@@ -40,6 +40,6 @@
 
 create feed TweetFeed
 using file_feed
-(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
+(("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/equality-predicate/equality-predicate.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/equality-predicate/equality-predicate.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/equality-predicate/equality-predicate.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/equality-predicate/equality-predicate.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-btree/insert-with-secondary-btree.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-btree/insert-with-secondary-btree.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-btree/insert-with-secondary-btree.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-btree/insert-with-secondary-btree.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-ngram/insert-with-secondary-inverted-ngram.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-ngram/insert-with-secondary-inverted-ngram.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-ngram/insert-with-secondary-inverted-ngram.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-ngram/insert-with-secondary-inverted-ngram.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-word/insert-with-secondary-inverted-word.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-word/insert-with-secondary-inverted-word.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-word/insert-with-secondary-inverted-word.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-inverted-word/insert-with-secondary-inverted-word.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-rtree/insert-with-secondary-rtree.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-rtree/insert-with-secondary-rtree.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-rtree/insert-with-secondary-rtree.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/insert-with-secondary-rtree/insert-with-secondary-rtree.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/insert/insert.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/insert/insert.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/insert/insert.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/insert/insert.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-btree/load-with-secondary-btree.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-btree/load-with-secondary-btree.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-btree/load-with-secondary-btree.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-btree/load-with-secondary-btree.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-ngram/load-with-secondary-inverted-ngram.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-ngram/load-with-secondary-inverted-ngram.2.update.aql
index 9195165..710d8bf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-ngram/load-with-secondary-inverted-ngram.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-ngram/load-with-secondary-inverted-ngram.2.update.aql
@@ -20,4 +20,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-word/load-with-secondary-inverted-word.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-word/load-with-secondary-inverted-word.2.update.aql
index c0e5287..83646b6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-word/load-with-secondary-inverted-word.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-inverted-word/load-with-secondary-inverted-word.2.update.aql
@@ -20,4 +20,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-rtree/load-with-secondary-rtree.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-rtree/load-with-secondary-rtree.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-rtree/load-with-secondary-rtree.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/load-with-secondary-rtree/load-with-secondary-rtree.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/load/load.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/load/load.2.update.aql
index 8516678..28a0eb8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/load/load.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/load/load.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse test;
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/filters/nested-filter-equality-predicate/equality-predicate.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/filters/nested-filter-equality-predicate/equality-predicate.2.update.aql
index c100812..f2eaf14 100644
--- a/asterix-app/src/test/resources/runtimets/queries/filters/nested-filter-equality-predicate/equality-predicate.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/filters/nested-filter-equality-predicate/equality-predicate.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset FacebookMessagesTmp using localfs
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
 
 insert into dataset FacebookMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql
index 37b3d68..b8c0d6f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql
@@ -26,4 +26,4 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at01/at01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at01/at01.2.update.aql
index 6c9f8a4..b55e6af 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at01/at01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at01/at01.2.update.aql
@@ -25,4 +25,4 @@
 use dataverse test;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at02/at02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at02/at02.2.update.aql
index 3ce10b6..ced2c20 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at02/at02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at02/at02.2.update.aql
@@ -25,7 +25,7 @@
 use dataverse test;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at03/at03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at03/at03.2.update.aql
index da79256..93f450d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at03/at03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at03/at03.2.update.aql
@@ -25,4 +25,4 @@
 use dataverse test;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql
index ce4aa9b..d14c0d5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql
@@ -26,4 +26,4 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders-part1.tbl,nc2://data/tpch0.001/orders-part2.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders-part1.tbl,asterix_nc2://data/tpch0.001/orders-part2.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql
index ce4aa9b..d14c0d5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql
@@ -26,4 +26,4 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders-part1.tbl,nc2://data/tpch0.001/orders-part2.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders-part1.tbl,asterix_nc2://data/tpch0.001/orders-part2.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql
index 37b3d68..b8c0d6f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql
@@ -26,4 +26,4 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql
index bb4638c..25104da 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset TOKENSRANKEDADM 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/tokensranked.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/pub-small/tokensranked.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql
index 705a0df..f47e499 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql
index 4fdee3c..d4e6780 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql
index 111673d..123c02b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql
@@ -29,5 +29,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql
index 33e42ec..ed9893f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql
@@ -20,10 +20,10 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql
index 33e42ec..ed9893f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql
@@ -20,10 +20,10 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql
index 638df78..e299417 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql
index 1e6f845..321e184 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql
index dbe3d49..a9856f9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql
@@ -32,5 +32,5 @@
 
 create external dataset DBLP(DBLPType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql
index 2626884..4082fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql
@@ -20,5 +20,5 @@
 
 create external dataset DBLP(DBLPType) 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql
index f15846d..1e1b54b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset User
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/events/tiny/user.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/events/tiny/user.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql
index 1255e12..fbc508f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql
@@ -20,4 +20,4 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql
index a0f74ad..770372c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql
index a0f74ad..770372c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql
index e750f17..2e0fef2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql
@@ -22,5 +22,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql
index a0f74ad..770372c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql
index a0f74ad..770372c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql
index a0f74ad..770372c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql
index a0f74ad..770372c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql
index 334463f..d6fc6aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql
index b1c928d..4251ce2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql
@@ -29,5 +29,5 @@
 
 load dataset DBLPadm 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/dblp-small/part-00000.adm,nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/part-00000.adm,asterix_nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.1.ddl.aql
index 4223e78..437980f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.1.ddl.aql
@@ -41,4 +41,4 @@
 
 create feed TweetFeed
 using file_feed
-(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
+(("fs"="localfs"),("path"="asterix_nc1://data/twitter/obamatweets.adm"),("format"="adm"),("type-name"="TweetType"),("tuple-interval"="10"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql
index a6b4348..ac415da 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql
@@ -24,12 +24,12 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/index-join/tw_messages.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/index-join/tw_messages.adm"),("format"="adm"));
 
 load dataset TwitterUsers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/index-join/tw_users.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/index-join/tw_users.adm"),("format"="adm"));
 
 load dataset results
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/index-join/results.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/index-join/results.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
index c45eebd..8cb1c45 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql
index 7a2f450..9e0da1d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql
index 384ce3c..e32a73a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql
index d6d3ace..e3a5f68 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index 6f92cb0..8ed1ae2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset MyData1
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index 01cef37..1e33ed7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset TweetMessages 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index 01cef37..1e33ed7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset TweetMessages 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
index 01cef37..1e33ed7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset TweetMessages 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 01cef37..1e33ed7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset TweetMessages 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index 554d660..a7f3b45 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset TweetMessages 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index 554d660..a7f3b45 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset TweetMessages 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index 8756c5e..bc16b97 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -30,4 +30,4 @@
 
 load dataset employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index 0dab851..6dce09f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -29,5 +29,5 @@
 
 load dataset employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index 8b28070..10ff436 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -28,5 +28,5 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
index cebe35d..c909dfc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index 9e067f6..7dbca1d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql
index 3a165e6..e1373a7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql
@@ -35,7 +35,7 @@
   children: [ { name: string, age: int64? } ]
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customers(CustomerType)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
index 0347c4f..a2de619 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql
index 3a165e6..e1373a7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql
@@ -35,7 +35,7 @@
   children: [ { name: string, age: int64? } ]
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customers(CustomerType)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
index 0347c4f..a2de619 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql
index 3a165e6..e1373a7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql
@@ -35,7 +35,7 @@
   children: [ { name: string, age: int64? } ]
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customers(CustomerType)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
index 0347c4f..a2de619 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql
index 26f1029..794065c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql
@@ -36,7 +36,7 @@
 }
 
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customers(CustomerType)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
index e3edc3a..0868957 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
index 1a1efa2..bbf9d10 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
index 01d02d0..d021dd8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 01d02d0..d021dd8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.1.ddl.aql
index ff83eb1..62ded01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.1.ddl.aql
@@ -33,7 +33,7 @@
 }
 
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset Orders(OrderType)
   primary key o_orderkey on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
index f3c8c32..16a3b17 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index f3c8c32..16a3b17 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql
index 3a30179..585278d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql
index 3a30179..585278d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql
index 69f5c8b..bf738cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
index 7e7896c..5814294 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/spatial/spatialDataNulls.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
index 69f5c8b..bf738cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index 69f5c8b..bf738cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql
index d1f883d..99a9245 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql
@@ -24,8 +24,8 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/index-join/tw_messages.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/index-join/tw_messages.adm"),("format"="adm"));
 
 load dataset FacebookMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/fbm-with-send-time.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index 2e6a917..c2e2b2f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql
index a062182..f772b1f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index 6ba20b8..e1fb560 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql
index b6a4fb6..6a1a855 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
index 2754690..45cba45 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql
index 7488871..f1854f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
index 8c20b34..e041961 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql
index 42112b8..43b2094 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
index 560db6e..e690cfa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql
index 84091ba..a3c939a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql
index 0636bf5..8c5688c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -28,9 +28,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql
index 2594591..b89f7d0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index 3dad21e..b8bf50d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index 8afbeae..48383dd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -26,9 +26,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index ffc7566..88db295 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index bd9c6a7..bd95e8e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -26,9 +26,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
index 7022e19..590f3ca 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql
index 5f6ad60..c92f79e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql
@@ -26,9 +26,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
index 991a7cf..ac633d3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql
index fbef96b..67f9b31 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql
@@ -26,9 +26,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
index 86e251f..4a7aaa3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql
index b40404d..9115a1f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql
@@ -26,9 +26,9 @@
 
 load dataset Customers 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index 94795e5..9da5ffb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql
index 2772235..032bd57 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql
@@ -26,9 +26,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql
index 7a66f9f..85dd792 100644
--- a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql
index 7a66f9f..85dd792 100644
--- a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql
index cecba5d..45f62b6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql
@@ -25,9 +25,9 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql
index 8424861..0d95ec5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/adm-load/binary_type.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/adm-load/binary_type.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql
index 93ae933..bb5ebaa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_01.csv"),("format"="delimited-text"),("delimiter"=","));
+(("path"="asterix_nc1://data/csv/sample_01.csv"),("format"="delimited-text"),("delimiter"=","));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql
index 93ae933..bb5ebaa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_01.csv"),("format"="delimited-text"),("delimiter"=","));
+(("path"="asterix_nc1://data/csv/sample_01.csv"),("format"="delimited-text"),("delimiter"=","));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql
index d45cbe6..cbbb99c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_02.csv"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/csv/sample_02.csv"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql
index 728d14e..964d06a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_03.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
+(("path"="asterix_nc1://data/csv/sample_03.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql
index 5d59765..2b8f6b1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_04_quote_error.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
+(("path"="asterix_nc1://data/csv/sample_04_quote_error.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql
index f4ae724..ec5a8f0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql
@@ -28,4 +28,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_05_space_error_1.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
+(("path"="asterix_nc1://data/csv/sample_05_space_error_1.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql
index 42c2059..a2c2d64 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_06_space_error_2.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
+(("path"="asterix_nc1://data/csv/sample_06_space_error_2.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql
index d15b428..b17750a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_08_header.csv.cr"),("format"="delimited-text"),("header"="true"));
+(("path"="asterix_nc1://data/csv/sample_08_header.csv.cr"),("format"="delimited-text"),("header"="true"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql
index 5e36dc4..fb46c08 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_08_header.csv.crlf"),("format"="delimited-text"),("header"="true"));
+(("path"="asterix_nc1://data/csv/sample_08_header.csv.crlf"),("format"="delimited-text"),("header"="true"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql
index fb314eb..36a5cca 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset testds
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/csv/sample_08_header.csv.lf"),("format"="delimited-text"),("header"="true"));
+(("path"="asterix_nc1://data/csv/sample_08_header.csv.lf"),("format"="delimited-text"),("header"="true"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/duplicate-key-error/duplicate-key-error.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/duplicate-key-error/duplicate-key-error.2.update.aql
index ea5e97e..bcea89d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/duplicate-key-error/duplicate-key-error.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/duplicate-key-error/duplicate-key-error.2.update.aql
@@ -24,5 +24,5 @@
 use dataverse test;
 
 load dataset mydataset 
-using localfs(("path"="nc1://data/duplicateKeys.adm"),("format"="adm"));
+using localfs(("path"="asterix_nc1://data/duplicateKeys.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/escapes-err-1/escapes-err-1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/escapes-err-1/escapes-err-1.2.update.aql
index b1d2e92..0af372b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/escapes-err-1/escapes-err-1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/escapes-err-1/escapes-err-1.2.update.aql
@@ -18,4 +18,4 @@
  */
 use dataverse TestDataverse;
 
-load dataset TestSet using localfs (("path"="nc1://data/escapes-err-1.adm"),("format"="adm"));
+load dataset TestSet using localfs (("path"="asterix_nc1://data/escapes-err-1.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/escapes01/escapes01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/escapes01/escapes01.2.update.aql
index 7f6bf81..f3fbd6d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/escapes01/escapes01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/escapes01/escapes01.2.update.aql
@@ -18,4 +18,4 @@
  */
 use dataverse TestDataverse;
 
-load dataset TestSet using localfs (("path"="nc1://data/escapes01.adm"),("format"="adm"));
+load dataset TestSet using localfs (("path"="asterix_nc1://data/escapes01.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/escapes02/escapes02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/escapes02/escapes02.2.update.aql
index dc3fd2f..cab7658 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/escapes02/escapes02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/escapes02/escapes02.2.update.aql
@@ -18,4 +18,4 @@
  */
 use dataverse TestDataverse;
 
-load dataset TestSet using localfs (("path"="nc1://data/escapes02.adm"),("format"="adm"));
+load dataset TestSet using localfs (("path"="asterix_nc1://data/escapes02.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue14_query/issue14_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue14_query/issue14_query.2.update.aql
index 42080f8..90ca8f2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue14_query/issue14_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue14_query/issue14_query.2.update.aql
@@ -24,5 +24,5 @@
 use dataverse test;
 
 load dataset onektup 
-using localfs(("path"="nc1:///tmp/one.adm"));
+using localfs(("path"="asterix_nc1:///tmp/one.adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql
index 0b69a2f..a1b3add 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql
@@ -26,4 +26,4 @@
 
 load dataset Customers
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/custord-tiny/customer-tiny-neg.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/custord-tiny/customer-tiny-neg.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue315_query/issue315_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue315_query/issue315_query.2.update.aql
index 995df93..d328e66 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue315_query/issue315_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue315_query/issue315_query.2.update.aql
@@ -24,5 +24,5 @@
 use dataverse test;
 
 load dataset onektup 
-using localfs(("path"="nc1///tmp/one.adm"));
+using localfs(("path"="asterix_nc1///tmp/one.adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue610_adm_token_end_collection/issue610_adm_token_end_collection.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue610_adm_token_end_collection/issue610_adm_token_end_collection.2.update.aql
index 8737b10..3169709 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue610_adm_token_end_collection/issue610_adm_token_end_collection.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue610_adm_token_end_collection/issue610_adm_token_end_collection.2.update.aql
@@ -25,4 +25,4 @@
 use dataverse foo;
 
 load dataset baz
-using localfs(("path"="nc1://data/adm-load/double_end_record_token.adm"), ("format"="adm"));
+using localfs(("path"="asterix_nc1://data/adm-load/double_end_record_token.adm"), ("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql
index 1edc9fd..306b3da 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql
@@ -28,4 +28,4 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/type_promotion_0/type_promotion_0.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/type_promotion_0/type_promotion_0.2.update.aql
index 2f614a8..da6d588 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/type_promotion_0/type_promotion_0.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/type_promotion_0/type_promotion_0.2.update.aql
@@ -18,4 +18,4 @@
  */
 use dataverse TestDataverse;
 
-load dataset TestSet using localfs (("path"="nc1://data/type_promotion.adm"),("format"="adm"));
+load dataset TestSet using localfs (("path"="asterix_nc1://data/type_promotion.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql
index 91a363b..a6b70a3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/materialization/assign-reuse/assign-reuse.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql
index d3bf9d8..b5a27d9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql
@@ -20,4 +20,4 @@
 
 load dataset FacebookUsers1
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbu.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql
index 6eb2616..1035a3b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql
@@ -31,4 +31,4 @@
 
 create external dataset TwitterData(Tweet)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/extrasmalltweets.txt"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/extrasmalltweets.txt"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql
index 93f5a2e..c73a471 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset Users 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/users-visitors-small/users.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
+(("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql
index cbb4872..9f7838c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql
index a3bb916..e3c6f93 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql
@@ -26,4 +26,4 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/string_eq_01/string_eq_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/string_eq_01/string_eq_01.2.update.aql
index 5e8e19c..f0d1dfa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/string_eq_01/string_eq_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/string_eq_01/string_eq_01.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
index 2130796b..0e3a03b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
@@ -21,7 +21,7 @@
 
 load dataset LineItemtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
index 2311dd7..c0656b8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
@@ -21,5 +21,5 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql
index dfc3572..992b5a8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql
@@ -51,11 +51,11 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10
 
-write output to nc1:"rttest/dml_delete-syntax-change.adm";
+write output to asterix_nc1:"rttest/dml_delete-syntax-change.adm";
 for $c in dataset('LineItem')
 order by $c.l_orderkey, $c.l_linenumber
 return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql
index a469814..5049050 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql
@@ -28,7 +28,7 @@
 // Load data
 load dataset t1tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset t1
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
index aa5a50a..a51b546 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
@@ -21,6 +21,6 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
index aa5a50a..a51b546 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
@@ -21,6 +21,6 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-syntax.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-syntax.aql
index ca8a562..0d068da 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-syntax.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-syntax.aql
@@ -46,7 +46,7 @@
 
  insert into dataset testds { "id": 4, "name": "Person Four", "hobbies": {{"Metal", "Jazz"}}}
 
-write output to nc1:"rttest/dml_insert-syntax.adm";
+write output to asterix_nc1:"rttest/dml_insert-syntax.adm";
 
 for $d in dataset("testds")
 order by $d.id
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql
index 0acea1e..26c7b68 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql
@@ -21,6 +21,6 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
index 4372f31..a243bff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
@@ -21,5 +21,5 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
index 0acea1e..26c7b68 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
@@ -21,6 +21,6 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql
index 4372f31..a243bff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql
@@ -21,5 +21,5 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql
index fbc43ab3..c7e00a7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql
@@ -19,5 +19,5 @@
 
 use dataverse twitter;
 
-load dataset TweetMessages using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"(("path"="nc1://data/tinysocial/twm-nested.adm"),("format"="adm"))
+load dataset TweetMessages using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"))
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
index b8e6872..7753f4e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
index 9e5d6e8..2421297 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
index c2f9462..5e63023 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
index 5d687a2..3be3df3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
index 1623390..9fa4e4e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
index fa9ffdd..a99038e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
index fab0c88..28dc184 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
@@ -21,7 +21,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
index d9c2f01..e1f8a65 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
@@ -29,5 +29,5 @@
 load dataset Customerstmp
 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
index fce19ac..d3a4189 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -28,5 +28,5 @@
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
 
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
index a7f1d2b..37c28d0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
@@ -28,5 +28,5 @@
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
 
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
index 112bac6..085564c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -28,5 +28,5 @@
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
 
-(("path"="nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
index 2b8d0a6..9d501cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
@@ -28,5 +28,5 @@
 
 load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
 
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
index 633f907..d675b56 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
index 1ee304b..3d4b125 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
@@ -21,11 +21,11 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
index 1db5b7c..c2d125c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
index 1ccfae7..3d2423a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index daded8a..dff3d72 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index a2a045d..7f1819d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index ade5e03..f165cd9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index 765c695..0ac13bc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index aed6c96..48eab2f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset MyData1tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData1
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index e93b57d..d2d1ee8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql
index 995e1d0..98f1609 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index 6cde0bf..05ecc58 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index 6cde0bf..05ecc58 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
index 6cde0bf..05ecc58 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 6cde0bf..05ecc58 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index 2f5ef1b..17ce340 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index 2f5ef1b..17ce340 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index 4e277f9..e1f4068 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -30,7 +30,7 @@
 
 load dataset employeeTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
 insert into dataset employee
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index c479123..db5b0ef 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -29,7 +29,7 @@
 
 load dataset employeeTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
 insert into dataset employee
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index 3de3ad2..e3e55b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
index eeb1001..acb6404 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
index e09aeb9..04110dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
@@ -32,7 +32,7 @@
 nested : DBLPTypetmp
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index fb3653a..f85f8ce 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
index 71180fc..db7944e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create type DBLPType as closed {
 nested : DBLPNestedType
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index 4d19c7a..2083f11 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
 	for $x in dataset test.DBLPtmp
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
index e09aeb9..04110dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
@@ -32,7 +32,7 @@
 nested : DBLPTypetmp
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index fb3653a..f85f8ce 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
index 3da9e26..fc549fa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
@@ -28,7 +28,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create type DBLPType as closed {
 nested : DBLPNestedType
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index 4d19c7a..2083f11 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
 	for $x in dataset test.DBLPtmp
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
index e09aeb9..04110dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
@@ -32,7 +32,7 @@
 nested : DBLPTypetmp
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index fb3653a..f85f8ce 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
index e09aeb9..04110dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
@@ -32,7 +32,7 @@
 nested : DBLPTypetmp
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index fb3653a..f85f8ce 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql
index 14fb32a..01f4465 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : CustomerTypetmp
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customerstmp(CustomerTypetmp)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
index f1f4ebd..34aa94b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql
index 14fb32a..01f4465 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : CustomerTypetmp
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customerstmp(CustomerTypetmp)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
index f1f4ebd..34aa94b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql
index 14fb32a..01f4465 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : CustomerTypetmp
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customerstmp(CustomerTypetmp)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
index f1f4ebd..34aa94b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql
index 28b29ce..e917368 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : CustomerTypetmp
 }
 
-create nodegroup group1 if not exists on nc1;
+create nodegroup group1 if not exists on asterix_nc1;
 
 create dataset Customerstmp(CustomerTypetmp)
   primary key cid on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
index 73ce367..f9cb6c5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
index e09aeb9..04110dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
@@ -32,7 +32,7 @@
 nested : DBLPTypetmp
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index e134b9a..3e2aa1b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
index e09aeb9..04110dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
@@ -32,7 +32,7 @@
 nested : DBLPTypetmp
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index e134b9a..3e2aa1b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
index 9849ea5..03a0b2a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 9849ea5..03a0b2a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
index 9849ea5..03a0b2a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 9849ea5..03a0b2a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql
index f77ad32..1d17180 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItemtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql
index f77ad32..1d17180 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItemtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
index 2cf0018..43a878f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialDataNulls.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm"));
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
index 6c7e943..cea37bf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index 6c7e943..cea37bf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
index db02373..e6d1a49 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index 214d1a2..136eba0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index 8634e48..e0b4438 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index b35c8ec..340bcdd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index 666b0ca..753cc2f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index 2dafe92..6b456c5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset MyData1tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData1
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index 31c635a..44cd670 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql
index cf65640..9b46329 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
 insert into dataset DBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index 6bc0591..a0ffb73 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index 6bc0591..a0ffb73 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 2a9491b..5a71e64 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index e7906d1..0a6b314 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index e7906d1..0a6b314 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index 6d28f82..f4174bd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -30,7 +30,7 @@
 
 load dataset employeeTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
 insert into dataset employee
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index c479123..db5b0ef 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -29,7 +29,7 @@
 
 load dataset employeeTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
 insert into dataset employee
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index cf6eccd..516af65 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
index b66f877..373a9a8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : DBLPOpenType
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index cfd3196..f4893d1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
index b8916a8..eaa7e99 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create type DBLPType as closed {
 nested : DBLPOpenType
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index c2e83c3..c2524c8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
 	for $x in dataset test.DBLPtmp
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
index 223c112..6652c23 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : DBLPOpenType
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index 9435060..5ca7fba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
index 8909f04..72bbfbd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
@@ -36,7 +36,7 @@
 }
 
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create type DBLPType as closed {
 nested : DBLPOpenType
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index c2e83c3..c2524c8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
 	for $x in dataset test.DBLPtmp
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
index 223c112..6652c23 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : DBLPOpenType
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index 9435060..5ca7fba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
index b66f877..373a9a8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : DBLPOpenType
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index cfd3196..f4893d1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
index b66f877..373a9a8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : DBLPOpenType
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index c7870d3..a4d7160 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
index b66f877..373a9a8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
@@ -39,7 +39,7 @@
 nested : DBLPOpenType
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPTypetmp)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index c7870d3..a4d7160 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 9849ea5..03a0b2a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 732c99d..2dcb253 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orderstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql
index b4d273e..7a54a7a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItemtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index 36541ea..43d0b32 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset MyDatatmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyData
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql
index c5746b9..73a64a7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_messages.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql
index ccf51fe..70e06f1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_messages.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql
index ccf51fe..70e06f1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessages
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_messages.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue377/query-issue377.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue377/query-issue377.2.update.aql
index ba3adea..e644331 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue377/query-issue377.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue377/query-issue377.2.update.aql
@@ -26,8 +26,8 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/fbu-dml-insert-shuffled.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/fbu-dml-insert-shuffled.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/twitter/tw_messages.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
index 1954f76..f16367c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 insert into dataset DBLPOpen(
 	for $x in dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index afa10de..e91e862 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index 6491148..1ba026c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -26,11 +26,11 @@
 
 load dataset Customerstmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index b889653..58b556b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
 	for $x in dataset DBLP
@@ -48,5 +48,5 @@
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index 4bea125..34bb3f5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -26,7 +26,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
 	for $x in dataset DBLP
@@ -47,5 +47,5 @@
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index ea59637..30b4cfe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -27,11 +27,11 @@
 
 load dataset MyData1tmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData1
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index f506047..cdad5ea 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
 	for $x in dataset DBLP
@@ -48,5 +48,5 @@
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql
index 02decdc..87c9f44 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql
@@ -26,7 +26,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
 	for $x in dataset DBLP
@@ -47,5 +47,5 @@
 
 load dataset CSX
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
+(("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index 61f760a..f61f0b3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index aee49d6..834af65 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 97c00b1..a1f86f8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index ec5a3ad..aa76e60 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index ec5a3ad..aa76e60 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset TweetMessagesTmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index 718af3a..44323d6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -30,7 +30,7 @@
 
 load dataset employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 insert into dataset employeeOpen (
 	for $x in dataset employee
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index 82b69e2..cd4db99 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -29,7 +29,7 @@
 
 load dataset employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 insert into dataset employeeOpen (
 	for $x in dataset employee
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index 63ec428..3fe5484 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
 	for $x in dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
index badff35..0afaafe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index 0d35db9..08647f4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
index 09e50b2..636d441 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.1.ddl.aql
@@ -36,7 +36,7 @@
 }
 
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index ba4923c..6fd745d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
 	for $x in dataset test.DBLPtmp
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
index 7dbbc8c..aab1c81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index 98cbaa2..216acdc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
index 7ff909d..9cb239f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLPtmp(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index ba4923c..6fd745d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLPtmp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
 	for $x in dataset test.DBLPtmp
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
index a301ea1..387dade 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index 98cbaa2..216acdc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
index badff35..0afaafe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index 0d35db9..08647f4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
index de7aff6..38261d7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index 0d35db9..08647f4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
index de7aff6..38261d7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.1.ddl.aql
@@ -35,7 +35,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index 0d35db9..08647f4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset DBLP
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
 	for $x in dataset test.DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 926277e..26b30ba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
 	for $x in dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 926277e..26b30ba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
 	for $x in dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql
index 3dc8d84..5d073d8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset test.LineItemOpen (
 	for $x in dataset test.LineItem
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index ae41992..d90855e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -20,7 +20,7 @@
 
 load dataset MyData
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyDataOpen
 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql
index 8bd214e..b5457c5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql
@@ -20,9 +20,9 @@
 
 load dataset CustomerSomeSat02 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
 
 load dataset OrdersSomeSat02 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/custord-tiny/order-tiny.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_01/order-by-exception_01.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_01/order-by-exception_01.3.update.aql
index d0f84aa..3863e81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_01/order-by-exception_01.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_01/order-by-exception_01.3.update.aql
@@ -19,5 +19,5 @@
 use dataverse TinySocial;
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_02/order-by-exception_02.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_02/order-by-exception_02.3.update.aql
index d0f84aa..3863e81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_02/order-by-exception_02.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by-exception_02/order-by-exception_02.3.update.aql
@@ -19,5 +19,5 @@
 use dataverse TinySocial;
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by/order-by.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by/order-by.3.update.aql
index d0f84aa..3863e81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by/order-by.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/range-hints/order-by/order-by.3.update.aql
@@ -19,5 +19,5 @@
 use dataverse TinySocial;
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/access-nested-fields/access-nested-fields.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/access-nested-fields/access-nested-fields.2.update.aql
index 37aad25..75973db 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/access-nested-fields/access-nested-fields.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/access-nested-fields/access-nested-fields.2.update.aql
@@ -25,4 +25,4 @@
 use dataverse test;
 
 load dataset Animals using localfs
-(("path"="nc1://data/classifications/animals.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/classifications/animals.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-closed/highly-nested-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-closed/highly-nested-open.2.update.aql
index 06aa140..430bf81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-closed/highly-nested-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-closed/highly-nested-open.2.update.aql
@@ -24,4 +24,4 @@
 use dataverse test;
 
 load dataset Animals using localfs
-(("path"="nc1://data/classifications/animals.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/classifications/animals.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-mixed/highly-nested-mixed.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-mixed/highly-nested-mixed.2.update.aql
index 06aa140..430bf81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-mixed/highly-nested-mixed.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-mixed/highly-nested-mixed.2.update.aql
@@ -24,4 +24,4 @@
 use dataverse test;
 
 load dataset Animals using localfs
-(("path"="nc1://data/classifications/animals.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/classifications/animals.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-open/highly-nested-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-open/highly-nested-open.2.update.aql
index 06aa140..430bf81 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-open/highly-nested-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/highly-nested-open/highly-nested-open.2.update.aql
@@ -24,4 +24,4 @@
 use dataverse test;
 
 load dataset Animals using localfs
-(("path"="nc1://data/classifications/animals.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/classifications/animals.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/tiny-social-example/tiny-social-example.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/tiny-social-example/tiny-social-example.3.update.aql
index 735d8bc..b89a3a4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/tiny-social-example/tiny-social-example.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-field-value/tiny-social-example/tiny-social-example.3.update.aql
@@ -24,13 +24,13 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-no-complex-types/tiny-social-example-no-complex-types.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-no-complex-types/tiny-social-example-no-complex-types.3.update.aql
index 73b66c1..7f9e608 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-no-complex-types/tiny-social-example-no-complex-types.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-no-complex-types/tiny-social-example-no-complex-types.3.update.aql
@@ -24,16 +24,16 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
 // Alternate datasets
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-lists/tiny-social-example-only-lists.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-lists/tiny-social-example-only-lists.3.update.aql
index dcb06cd..5d8a0cc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-lists/tiny-social-example-only-lists.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-lists/tiny-social-example-only-lists.3.update.aql
@@ -24,16 +24,16 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
 // Alternate datasets
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.aql
index 7a43746..bc85b2d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example-only-records/tiny-social-example-only-records.3.update.aql
@@ -24,16 +24,16 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
 // Alternate datasets
diff --git a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example/tiny-social-example.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example/tiny-social-example.3.update.aql
index ddc4b0c..a68f622 100644
--- a/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example/tiny-social-example.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/records/get-record-fields/tiny-social-example/tiny-social-example.3.update.aql
@@ -24,13 +24,13 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql
index db0fdd3..8436760 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql
@@ -22,5 +22,5 @@
 // drop dataset DBLP1;
 load dataset DBLP1
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql
index 86a7c1b..341fb45 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql
@@ -23,5 +23,5 @@
 // drop dataset DBLPadm;
 load dataset DBLPadm 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql
index 7be531e..2077fe7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql
@@ -32,4 +32,4 @@
 
 create external dataset DBLPsplits(DBLPType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql
index 4515e02..0d385d8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql
@@ -57,4 +57,4 @@
 
 create external dataset All(AllType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/allData.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/allData.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql
index f25ca18..58d2f25 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql
@@ -58,9 +58,9 @@
 
 create external dataset All(AllType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/allData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/allData.json"),("format"="adm"));
         
-write output to nc1:"rttest/scan_alltypes_02.adm";
+write output to asterix_nc1:"rttest/scan_alltypes_02.adm";
       
 for $a in dataset All
 return $a 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql
index cc5daca..e5ac9af 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql
@@ -64,4 +64,4 @@
 
 create external dataset All(AllType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/allData.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/allData.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql
index f650090..cd1d57d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql
@@ -31,5 +31,5 @@
 // drop dataset DBLPadm;
 load dataset DBLPadm 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/dblp-small/part-00000.adm, nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/part-00000.adm, asterix_nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql
index e456bae..dcca145 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql
@@ -31,6 +31,6 @@
 // drop dataset DBLPadm;
 load dataset DBLPadm 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
-(("path"="nc1://data/dblp-small/part-00000.adm, 
- nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/dblp-small/part-00000.adm, 
+ asterix_nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql
index 0407a5b..3e25c70 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql
@@ -33,4 +33,4 @@
 
 create external dataset Numeric(NumericType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/numericData.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/numericData.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql
index 3965d9c..c698d8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql
@@ -32,4 +32,4 @@
 
 create external dataset Spatial(SpatialType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql
index 4d6d266..7ce87c9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql
@@ -35,4 +35,4 @@
 
 load dataset Spatial2 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/spatialData.txt"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/nontagged/spatialData.txt"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql
index 8a570bb..d9979ab 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql
@@ -31,4 +31,4 @@
 
 create external dataset Temp(TempType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/tempData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/nontagged/tempData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql
index d3f8baa..032ff27 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql
@@ -20,4 +20,4 @@
 
 load dataset Temp2 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/nontagged/tempData.txt"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/nontagged/tempData.txt"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql
index e15a6f7..5d660b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql
@@ -38,4 +38,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql
index 8b63d08..4804b44 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql
@@ -37,4 +37,4 @@
 
 create external dataset Customers(CustomerType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql
index fab1496..8d1ca57 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql
@@ -31,4 +31,4 @@
 
 create external dataset Orders(OrderType)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/semistructured/tiny01/orders.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/semistructured/tiny01/orders.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.1.ddl.aql
index ed6ebf2..0426ae5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.1.ddl.aql
@@ -29,7 +29,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.1.ddl.aql
index ed6ebf2..0426ae5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.1.ddl.aql
@@ -29,7 +29,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.1.ddl.aql
index ed6ebf2..0426ae5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.1.ddl.aql
@@ -29,7 +29,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.1.ddl.aql
index 03ed12f..8b171ed 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.1.ddl.aql
@@ -26,7 +26,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.1.ddl.aql
index ed6ebf2..0426ae5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.1.ddl.aql
@@ -29,7 +29,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.1.ddl.aql
index ed6ebf2..0426ae5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.1.ddl.aql
@@ -29,7 +29,7 @@
   misc: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset DBLP(DBLPType)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql
index 3005d43..3da6ddc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset DBLP 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+(("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.1.ddl.aql
index 1032224..660e3ca 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.1.ddl.aql
@@ -28,7 +28,7 @@
     text: string
 }
 
-create nodegroup group1 if not exists on nc1, nc2;
+create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;
 
 create dataset TwitterData(Tweet)
   primary key id on group1;
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql
index 1eca024..64888bb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql
@@ -20,4 +20,4 @@
 
 load dataset TwitterData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/extrasmalltweets.txt"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/twitter/extrasmalltweets.txt"),("format"="adm")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql
index 41ed2a2..0f1c2b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql
@@ -27,4 +27,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialDataAggregation.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialDataAggregation.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql
index 402af3a..c1306b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql
@@ -28,4 +28,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql
index aa0859a..dd5d8cc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql
@@ -25,4 +25,4 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql
index 402af3a..c1306b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql
@@ -28,4 +28,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql
index 402af3a..c1306b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql
@@ -28,4 +28,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql
index 402af3a..c1306b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql
@@ -28,4 +28,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql
index ea87ab4..86ec31d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
   using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-  (("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+  (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql
index 402af3a..c1306b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql
@@ -28,4 +28,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql
index 402af3a..c1306b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql
@@ -28,4 +28,4 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql
index 9a0d887..6df2fcc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql
index a75c99a..d5296ba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql
@@ -28,5 +28,5 @@
 
 create external dataset MyData(MyRecord)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
index b360909..9c13bd9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
index 8b90a13..9a8fd71 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql
index 689fdd1..6d88571 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql
@@ -28,5 +28,5 @@
 // Load data
 load dataset t1
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql
index 630f81b..c43f1aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql
@@ -26,8 +26,8 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
index 7c1f7f1..2d7a0d9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
@@ -27,7 +27,7 @@
 
 load dataset test.employee
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
 insert into dataset test.employee (
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
index 7717f0c..cf32f60 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
@@ -28,7 +28,7 @@
 
 load dataset myData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
+(("path"="asterix_nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
 
 
 insert into dataset myData (
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
index 1f1aeda..a186f22 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
@@ -26,5 +26,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
index f2c2fb8..d3e3bc1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
@@ -26,5 +26,5 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql
index a637b8b..636e6a6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
index a637b8b..636e6a6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql
index a637b8b..636e6a6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql
@@ -27,9 +27,9 @@
 
 load dataset MyData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
+(("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql
index 7e946ab..782e0fa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql
@@ -20,4 +20,4 @@
 
 create external dataset testds(testtype)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/temporal/temporalData.txt"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/temporal/temporalData.txt"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql
index f005a38..f606fa7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql
@@ -39,4 +39,4 @@
 
 create external dataset testds(testtype)
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/temporal/temporalData.json"),("format"="adm"));
+(("path"="asterix_nc1://data/temporal/temporalData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds_2/insert_from_ext_ds_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds_2/insert_from_ext_ds_2.2.update.aql
index 4b68296..b821ed7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds_2/insert_from_ext_ds_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds_2/insert_from_ext_ds_2.2.update.aql
@@ -19,4 +19,4 @@
 use dataverse timeTest;
 
 load dataset timeData using localfs
-(("path"="nc1://data/temporal/simpletemp_30.json"),("format"="adm"));
+(("path"="asterix_nc1://data/temporal/simpletemp_30.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tinysocial/tinysocial-suite/tinysocial-suite.3.update.aql b/asterix-app/src/test/resources/runtimets/queries/tinysocial/tinysocial-suite/tinysocial-suite.3.update.aql
index e636dc1..eaa5e1d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tinysocial/tinysocial-suite/tinysocial-suite.3.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tinysocial/tinysocial-suite/tinysocial-suite.3.update.aql
@@ -19,13 +19,13 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));
 
 load dataset TwitterUsers using localfs
-(("path"="nc1://data/tinysocial/twu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twu.adm"),("format"="adm"));
 
 load dataset TweetMessages using localfs
-(("path"="nc1://data/tinysocial/twm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
index 1a9c2a1..a86cc37 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
index 1549a03..bdbd920 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
@@ -20,13 +20,13 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql
index fb6ac73..5b2fd7f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql
@@ -20,32 +20,32 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql
index eb897a6..d1898ed 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql
index fb6ac73..5b2fd7f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql
@@ -20,32 +20,32 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
index b1339ac..087a7f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql
index 1a2223f..5eab111 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue638/query-issue638.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue638/query-issue638.1.ddl.aql
index 41e9f5f..ac32f13 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue638/query-issue638.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue638/query-issue638.1.ddl.aql
@@ -115,33 +115,33 @@
 
 create external dataset LineItem(LineItemType)
 using localfs
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Orders(OrderType)
 using localfs
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Supplier(SupplierType)
 using localfs
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Region(RegionType)
 using localfs
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Nation(NationType)
 using localfs
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Part(PartType)
 using localfs
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Partsupp(PartSuppType)
 using localfs
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Customer(CustomerType)
 using localfs
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql
index f9b3240..ebd57dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql
index f9b3240..ebd57dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql
index 6fe9ef1..f40b085 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql
index ccb1af4..3de299b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql
index a82610b..23f904d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql
@@ -20,4 +20,4 @@
 
 load dataset Regions_group_no_agg 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql
index cf5daaf..5faabc5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
index ccb1af4..3de299b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
@@ -20,5 +20,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
index 5485e5e..2878eb3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
@@ -20,13 +20,13 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql
index f0ac0ac..b67efdb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql
@@ -20,32 +20,32 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql
index 800e23b..d8c35a5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql
index f0ac0ac..b67efdb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql
@@ -20,32 +20,32 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
index 54e44fa..6097198 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
@@ -20,33 +20,33 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql
index 609caf5..c031736 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql
@@ -27,33 +27,33 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql
index 0b5bd57..c648a20 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql
@@ -27,4 +27,4 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue638/query-issue638.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue638/query-issue638.1.ddl.aql
index 6f4850a..54f0a64 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue638/query-issue638.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue638/query-issue638.1.ddl.aql
@@ -115,33 +115,33 @@
 
 create external dataset LineItem(LineItemType)
 using localfs
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Orders(OrderType)
 using localfs
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Supplier(SupplierType)
 using localfs
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Region(RegionType) 
 using localfs
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Nation(NationType) 
 using localfs
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Part(PartType)
 using localfs
-(("path"="nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 create external dataset Partsupp(PartSuppType)
 using localfs
-(("path"="nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|")); 
+(("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|")); 
 
 create external dataset Customer(CustomerType) 
 using localfs
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql
index f5ee067..8e54326 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql
index f5ee067..8e54326 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql
index 2265c9a..ff3b394 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql
@@ -27,24 +27,24 @@
 
 load dataset Orders
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
+(("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql
index 2a1e4f9..7e4b3fe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql
index 2a1e4f9..7e4b3fe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql
index 2a1e4f9..7e4b3fe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset LineItem
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql
index dea9478..b383e70 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql
index dea9478..b383e70 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql
@@ -27,5 +27,5 @@
 
 load dataset LineItem 
 using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
+(("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/opentype_orderby_01/opentype_orderby_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/opentype_orderby_01/opentype_orderby_01.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/opentype_orderby_01/opentype_orderby_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/opentype_orderby_01/opentype_orderby_01.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_01/promotion_closedtype_field_vs_closedtype_field_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_01/promotion_closedtype_field_vs_closedtype_field_01.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_01/promotion_closedtype_field_vs_closedtype_field_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_01/promotion_closedtype_field_vs_closedtype_field_01.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_02/promotion_closedtype_field_vs_closedtype_field_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_02/promotion_closedtype_field_vs_closedtype_field_02.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_02/promotion_closedtype_field_vs_closedtype_field_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_02/promotion_closedtype_field_vs_closedtype_field_02.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_03/promotion_closedtype_field_vs_closedtype_field_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_03/promotion_closedtype_field_vs_closedtype_field_03.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_03/promotion_closedtype_field_vs_closedtype_field_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_03/promotion_closedtype_field_vs_closedtype_field_03.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_04/promotion_closedtype_field_vs_closedtype_field_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_04/promotion_closedtype_field_vs_closedtype_field_04.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_04/promotion_closedtype_field_vs_closedtype_field_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_04/promotion_closedtype_field_vs_closedtype_field_04.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_05/promotion_closedtype_field_vs_closedtype_field_05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_05/promotion_closedtype_field_vs_closedtype_field_05.2.update.aql
index 92ab6d0..44d0e21 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_05/promotion_closedtype_field_vs_closedtype_field_05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_closedtype_field_05/promotion_closedtype_field_vs_closedtype_field_05.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset_minus_data.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset_minus_data.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset_minus_data.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset_minus_data.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_01/promotion_closedtype_field_vs_constant_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_01/promotion_closedtype_field_vs_constant_01.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_01/promotion_closedtype_field_vs_constant_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_01/promotion_closedtype_field_vs_constant_01.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_02/promotion_closedtype_field_vs_constant_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_02/promotion_closedtype_field_vs_constant_02.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_02/promotion_closedtype_field_vs_constant_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_02/promotion_closedtype_field_vs_constant_02.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_03/promotion_closedtype_field_vs_constant_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_03/promotion_closedtype_field_vs_constant_03.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_03/promotion_closedtype_field_vs_constant_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_03/promotion_closedtype_field_vs_constant_03.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_04/promotion_closedtype_field_vs_constant_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_04/promotion_closedtype_field_vs_constant_04.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_04/promotion_closedtype_field_vs_constant_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_04/promotion_closedtype_field_vs_constant_04.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_05/promotion_closedtype_field_vs_constant_05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_05/promotion_closedtype_field_vs_constant_05.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_05/promotion_closedtype_field_vs_constant_05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_05/promotion_closedtype_field_vs_constant_05.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_06/promotion_closedtype_field_vs_constant_06.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_06/promotion_closedtype_field_vs_constant_06.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_06/promotion_closedtype_field_vs_constant_06.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_06/promotion_closedtype_field_vs_constant_06.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_07/promotion_closedtype_field_vs_constant_07.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_07/promotion_closedtype_field_vs_constant_07.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_07/promotion_closedtype_field_vs_constant_07.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_07/promotion_closedtype_field_vs_constant_07.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_08/promotion_closedtype_field_vs_constant_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_08/promotion_closedtype_field_vs_constant_08.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_08/promotion_closedtype_field_vs_constant_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_08/promotion_closedtype_field_vs_constant_08.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_09/promotion_closedtype_field_vs_constant_09.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_09/promotion_closedtype_field_vs_constant_09.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_09/promotion_closedtype_field_vs_constant_09.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_09/promotion_closedtype_field_vs_constant_09.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_10/promotion_closedtype_field_vs_constant_10.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_10/promotion_closedtype_field_vs_constant_10.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_10/promotion_closedtype_field_vs_constant_10.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_10/promotion_closedtype_field_vs_constant_10.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_11/promotion_closedtype_field_vs_constant_11.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_11/promotion_closedtype_field_vs_constant_11.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_11/promotion_closedtype_field_vs_constant_11.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_constant_11/promotion_closedtype_field_vs_constant_11.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_01/promotion_closedtype_field_vs_opentype_field_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_01/promotion_closedtype_field_vs_opentype_field_01.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_01/promotion_closedtype_field_vs_opentype_field_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_01/promotion_closedtype_field_vs_opentype_field_01.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_02/promotion_closedtype_field_vs_opentype_field_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_02/promotion_closedtype_field_vs_opentype_field_02.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_02/promotion_closedtype_field_vs_opentype_field_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_02/promotion_closedtype_field_vs_opentype_field_02.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_03/promotion_closedtype_field_vs_opentype_field_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_03/promotion_closedtype_field_vs_opentype_field_03.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_03/promotion_closedtype_field_vs_opentype_field_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_03/promotion_closedtype_field_vs_opentype_field_03.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_04/promotion_closedtype_field_vs_opentype_field_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_04/promotion_closedtype_field_vs_opentype_field_04.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_04/promotion_closedtype_field_vs_opentype_field_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_closedtype_field_vs_opentype_field_04/promotion_closedtype_field_vs_opentype_field_04.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_01/promotion_opentype_field_vs_constant_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_01/promotion_opentype_field_vs_constant_01.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_01/promotion_opentype_field_vs_constant_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_01/promotion_opentype_field_vs_constant_01.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_02/promotion_opentype_field_vs_constant_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_02/promotion_opentype_field_vs_constant_02.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_02/promotion_opentype_field_vs_constant_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_02/promotion_opentype_field_vs_constant_02.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_03/promotion_opentype_field_vs_constant_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_03/promotion_opentype_field_vs_constant_03.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_03/promotion_opentype_field_vs_constant_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_03/promotion_opentype_field_vs_constant_03.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_04/promotion_opentype_field_vs_constant_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_04/promotion_opentype_field_vs_constant_04.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_04/promotion_opentype_field_vs_constant_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_04/promotion_opentype_field_vs_constant_04.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_05/promotion_opentype_field_vs_constant_05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_05/promotion_opentype_field_vs_constant_05.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_05/promotion_opentype_field_vs_constant_05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_05/promotion_opentype_field_vs_constant_05.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_06/promotion_opentype_field_vs_constant_06.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_06/promotion_opentype_field_vs_constant_06.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_06/promotion_opentype_field_vs_constant_06.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_06/promotion_opentype_field_vs_constant_06.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_07/promotion_opentype_field_vs_constant_07.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_07/promotion_opentype_field_vs_constant_07.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_07/promotion_opentype_field_vs_constant_07.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_07/promotion_opentype_field_vs_constant_07.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_08/promotion_opentype_field_vs_constant_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_08/promotion_opentype_field_vs_constant_08.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_08/promotion_opentype_field_vs_constant_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_constant_08/promotion_opentype_field_vs_constant_08.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_01/promotion_opentype_field_vs_opentype_field_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_01/promotion_opentype_field_vs_opentype_field_01.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_01/promotion_opentype_field_vs_opentype_field_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_01/promotion_opentype_field_vs_opentype_field_01.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_02/promotion_opentype_field_vs_opentype_field_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_02/promotion_opentype_field_vs_opentype_field_02.2.update.aql
index 4dcdb59..70b6fa1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_02/promotion_opentype_field_vs_opentype_field_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/types/promotion_opentype_field_vs_opentype_field_02/promotion_opentype_field_vs_opentype_field_02.2.update.aql
@@ -24,8 +24,8 @@
 use dataverse test;
 
 load dataset empDataset using localfs
-(("path"="nc1://data/types/empDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/empDataset.adm"),("format"="adm"));
 
 load dataset deptDataset using localfs
-(("path"="nc1://data/types/deptDataset.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/types/deptDataset.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/union/union/union.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/union/union/union.2.update.aql
index fb6388b..4898b30 100644
--- a/asterix-app/src/test/resources/runtimets/queries/union/union/union.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/union/union/union.2.update.aql
@@ -19,8 +19,8 @@
 use dataverse TinySocial;
 
 load dataset FacebookUsers using localfs
-(("path"="nc1://data/tinysocial/fbu.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbu.adm"),("format"="adm"));
 
 load dataset FacebookMessages using localfs
-(("path"="nc1://data/tinysocial/fbm.adm"),("format"="adm"));
+(("path"="asterix_nc1://data/tinysocial/fbm.adm"),("format"="adm"));