diff --git a/asterix-app/data/upsert/raw-data/more-data.txt b/asterix-app/data/upsert/raw-data/more-data.txt
new file mode 100644
index 0000000..d77c9c9
--- /dev/null
+++ b/asterix-app/data/upsert/raw-data/more-data.txt
@@ -0,0 +1,4 @@
+2,2,Stephen,155
+4,4,Angela,333
+6,6,Tracy,123
+8,8,George,555
diff --git a/asterix-app/data/upsert/raw-data/overlapping.data b/asterix-app/data/upsert/raw-data/overlapping.data
new file mode 100644
index 0000000..a013ac1
--- /dev/null
+++ b/asterix-app/data/upsert/raw-data/overlapping.data
@@ -0,0 +1,5 @@
+2,10,Nadia,155
+4,10,Igor,333
+6,10,Silvester,123
+1,11,Cloud,777
+12,44,Smith,987
diff --git a/asterix-app/data/upsert/raw-data/test-data.txt b/asterix-app/data/upsert/raw-data/test-data.txt
new file mode 100644
index 0000000..e1e4c47
--- /dev/null
+++ b/asterix-app/data/upsert/raw-data/test-data.txt
@@ -0,0 +1,4 @@
+1,2,Mohammed,155
+3,4,Kate,333
+5,6,William,123
+7,8,Stanly,555