diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
index 5339d94..ec43870 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
@@ -516,6 +516,9 @@
             IRequestParameters requestParameters) throws Exception {
         CreateDataverseStatement stmtCreateDataverse = (CreateDataverseStatement) stmt;
         DataverseName dvName = stmtCreateDataverse.getDataverseName();
+        for (String dvNamePart : dvName.getParts()) {
+            validateDatabaseObjectName(dvNamePart, stmtCreateDataverse.getSourceLocation());
+        }
         lockUtil.createDataverseBegin(lockManager, metadataProvider.getLocks(), dvName);
         try {
             doCreateDataverseStatement(metadataProvider, stmtCreateDataverse, requestParameters);
@@ -593,6 +596,7 @@
         DatasetDecl dd = (DatasetDecl) stmt;
         DataverseName dataverseName = getActiveDataverseName(dd.getDataverse());
         String datasetName = dd.getName().getValue();
+        validateDatabaseObjectName(datasetName, stmt.getSourceLocation());
         TypeExpression itemTypeExpr = dd.getItemType();
         DataverseName itemTypeDataverseName;
         String itemTypeName;
@@ -963,6 +967,8 @@
         CreateIndexStatement stmtCreateIndex = (CreateIndexStatement) stmt;
         DataverseName dataverseName = getActiveDataverseName(stmtCreateIndex.getDataverseName());
         String datasetName = stmtCreateIndex.getDatasetName().getValue();
+        String indexName = stmtCreateIndex.getIndexName().getValue();
+        validateDatabaseObjectName(indexName, stmt.getSourceLocation());
         lockUtil.createIndexBegin(lockManager, metadataProvider.getLocks(), dataverseName, datasetName);
         try {
             doCreateIndex(metadataProvider, stmtCreateIndex, dataverseName, datasetName, hcc, requestParameters);
@@ -1388,6 +1394,7 @@
         SourceLocation sourceLoc = stmtCreateType.getSourceLocation();
         DataverseName dataverseName = getActiveDataverseName(stmtCreateType.getDataverseName());
         String typeName = stmtCreateType.getIdent().getValue();
+        validateDatabaseObjectName(typeName, sourceLoc);
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.createTypeBegin(lockManager, metadataProvider.getLocks(), dataverseName, typeName);
@@ -1978,6 +1985,7 @@
             IStatementRewriter stmtRewriter) throws Exception {
         CreateFunctionStatement cfs = (CreateFunctionStatement) stmt;
         FunctionSignature signature = cfs.getFunctionSignature();
+        validateDatabaseObjectName(signature.getName(), stmt.getSourceLocation());
         DataverseName dataverseName = getActiveDataverseName(signature.getDataverseName());
         signature.setDataverseName(dataverseName);
         DataverseName libraryDataverseName = null;
@@ -2876,6 +2884,7 @@
         SourceLocation sourceLoc = cfs.getSourceLocation();
         DataverseName dataverseName = getActiveDataverseName(cfs.getDataverseName());
         String feedName = cfs.getFeedName().getValue();
+        validateDatabaseObjectName(feedName, sourceLoc);
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
         lockUtil.createFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName, feedName);
@@ -2914,6 +2923,7 @@
         SourceLocation sourceLoc = cfps.getSourceLocation();
         DataverseName dataverseName = getActiveDataverseName(null);
         String policyName = cfps.getPolicyName();
+        validateDatabaseObjectName(policyName, sourceLoc);
         lockUtil.createFeedPolicyBegin(lockManager, metadataProvider.getLocks(), dataverseName, policyName);
         try {
             mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
@@ -3502,6 +3512,7 @@
         NodegroupDecl stmtCreateNodegroup = (NodegroupDecl) stmt;
         SourceLocation sourceLoc = stmtCreateNodegroup.getSourceLocation();
         String ngName = stmtCreateNodegroup.getNodegroupName().getValue();
+        validateDatabaseObjectName(ngName, sourceLoc);
 
         MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
@@ -3923,4 +3934,13 @@
             throws CompilationException {
         ExternalDataUtils.validateAdapterSpecificProperties(configuration, srcLoc, warningCollector);
     }
+
+    public static void validateDatabaseObjectName(String name, SourceLocation sourceLoc) throws CompilationException {
+        if (name == null || name.isEmpty()) {
+            throw new CompilationException(ErrorCode.INVALID_DATABASE_OBJECT_NAME, sourceLoc, "<empty>");
+        }
+        if (Character.isWhitespace(name.codePointAt(0))) {
+            throw new CompilationException(ErrorCode.INVALID_DATABASE_OBJECT_NAME, sourceLoc, name);
+        }
+    }
 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.1.ddl.sqlpp
new file mode 100644
index 0000000..f5c4588
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.1.ddl.sqlpp
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty dataset name -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create dataset ``(id int not unknown) primary key id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.2.ddl.sqlpp
new file mode 100644
index 0000000..1bc445a
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.2.ddl.sqlpp
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Dataset name starts with a space character -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create dataset ` a`(id int not unknown) primary key id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.3.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.3.ddl.sqlpp
new file mode 100644
index 0000000..dc10acd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataset-name/invalid-dataset-name.3.ddl.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test if exists;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataverse-name/invalid-dataverse-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataverse-name/invalid-dataverse-name.1.ddl.sqlpp
new file mode 100644
index 0000000..7322b6d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataverse-name/invalid-dataverse-name.1.ddl.sqlpp
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty dataverse name -> Error
+ */
+
+create dataverse ``;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataverse-name/invalid-dataverse-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataverse-name/invalid-dataverse-name.2.ddl.sqlpp
new file mode 100644
index 0000000..623e40d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-dataverse-name/invalid-dataverse-name.2.ddl.sqlpp
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Dataverse name starts with a space character -> Error
+ */
+
+create dataverse ` a`;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.1.ddl.sqlpp
new file mode 100644
index 0000000..783a940
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.1.ddl.sqlpp
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty feed name -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create type Tweet as closed
+{
+  id: int64
+};
+
+create dataset Tweets0(Tweet) primary key id;
+
+create feed `` with {
+ "adapter-name" : "socket_adapter",
+ "sockets" : "127.0.0.1:10001",
+ "address-type" : "IP",
+ "type-name" : "Tweet",
+ "format" : "adm"
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.2.ddl.sqlpp
new file mode 100644
index 0000000..6d59d03
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.2.ddl.sqlpp
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Feed name starts with a space character -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create type Tweet as closed
+{
+  id: int64
+};
+
+create dataset Tweets0(Tweet) primary key id;
+
+create feed ` a` with {
+ "adapter-name" : "socket_adapter",
+ "sockets" : "127.0.0.1:10001",
+ "address-type" : "IP",
+ "type-name" : "Tweet",
+ "format" : "adm"
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.3.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.3.ddl.sqlpp
new file mode 100644
index 0000000..dc10acd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-name/invalid-feed-name.3.ddl.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test if exists;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.1.ddl.sqlpp
new file mode 100644
index 0000000..3a9f7fc
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.1.ddl.sqlpp
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty feed policy name -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create ingestion policy `` from path 'data/feed-policy/policy.properties'
+  definition 'someString';
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.2.ddl.sqlpp
new file mode 100644
index 0000000..c5d3179
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.2.ddl.sqlpp
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Feed policy name starts with a space character -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create ingestion policy ` a` from path 'data/feed-policy/policy.properties'
+  definition 'someString';
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.3.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.3.ddl.sqlpp
new file mode 100644
index 0000000..dc10acd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-feed-policy-name/invalid-feed-policy-name.3.ddl.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test if exists;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.1.ddl.sqlpp
new file mode 100644
index 0000000..ffad79e
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.1.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty index name -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create dataset t1(id int not unknown, x int not unknown) primary key id;
+
+create index `` on t1(x);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.2.ddl.sqlpp
new file mode 100644
index 0000000..6e0bd7d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.2.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Index name starts with a space character -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create dataset t1(id int not unknown, x int not unknown) primary key id;
+
+create index ` a` on t1(x);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.3.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.3.ddl.sqlpp
new file mode 100644
index 0000000..dc10acd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-index-name/invalid-index-name.3.ddl.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test if exists;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-nodegroup-name/invalid-nodegroup-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-nodegroup-name/invalid-nodegroup-name.1.ddl.sqlpp
new file mode 100644
index 0000000..ad1de03
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-nodegroup-name/invalid-nodegroup-name.1.ddl.sqlpp
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty node group name -> Error
+ */
+
+create nodegroup `` if not exists on asterix_nc1;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-nodegroup-name/invalid-nodegroup-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-nodegroup-name/invalid-nodegroup-name.2.ddl.sqlpp
new file mode 100644
index 0000000..315d287
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-nodegroup-name/invalid-nodegroup-name.2.ddl.sqlpp
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Node group name starts with a space character -> Error
+ */
+
+create nodegroup ` a` if not exists on asterix_nc1;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.1.ddl.sqlpp
new file mode 100644
index 0000000..ddaac27
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.1.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty type name -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create type `` as closed {
+  id: int
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.2.ddl.sqlpp
new file mode 100644
index 0000000..5ec9f83
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.2.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Type name starts with a space character -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create type ` a` as closed {
+  id: int
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.3.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.3.ddl.sqlpp
new file mode 100644
index 0000000..dc10acd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-type-name/invalid-type-name.3.ddl.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test if exists;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.1.ddl.sqlpp
new file mode 100644
index 0000000..0c9b27d
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.1.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Empty function name -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create function ``() {
+  1
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.2.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.2.ddl.sqlpp
new file mode 100644
index 0000000..fb6e8e4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.2.ddl.sqlpp
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Function name starts with a space character -> Error
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+
+use test;
+
+create function ` a`() {
+  1
+};
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.3.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.3.ddl.sqlpp
new file mode 100644
index 0000000..dc10acd
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/ddl/invalid-udf-name/invalid-udf-name.3.ddl.sqlpp
@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+drop dataverse test if exists;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
index 04093a3..6d56e70 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
@@ -4011,6 +4011,62 @@
       </compilation-unit>
     </test-case>
     <test-case FilePath="ddl">
+      <compilation-unit name="invalid-dataverse-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-dataset-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-feed-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-feed-policy-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-index-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-nodegroup-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-type-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
+      <compilation-unit name="invalid-udf-name">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>ASX1115: Invalid name for a database object: "&lt;empty&gt;"</expected-error>
+        <expected-error>ASX1115: Invalid name for a database object: " a"</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="ddl">
       <compilation-unit name="dataset-and-index-same-dataverse">
         <output-dir compare="Text">dataset-and-index-same-dataverse</output-dir>
       </compilation-unit>
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ErrorCode.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ErrorCode.java
index 3aae2e1..38150f5 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ErrorCode.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/exceptions/ErrorCode.java
@@ -203,7 +203,7 @@
     public static final int INVALID_PROPERTY_FORMAT = 1112;
     public static final int INVALID_REGEX_PATTERN = 1113;
     public static final int EXTERNAL_SOURCE_CONFIGURATION_RETURNED_NO_FILES = 1114;
-    public static final int SYNONYM_EXISTS = 1115;
+    public static final int INVALID_DATABASE_OBJECT_NAME = 1115;
     public static final int UNKNOWN_SYNONYM = 1116;
     public static final int UNKNOWN_LIBRARY = 1117;
     public static final int COMPILATION_GROUPING_SETS_OVERFLOW = 1118;
@@ -219,7 +219,7 @@
     public static final int INCONSISTENT_FILTER_INDICATOR = 1128;
     public static final int UNSUPPORTED_GBY_OBY_SELECT_COMBO = 1129;
     public static final int ILLEGAL_RIGHT_OUTER_JOIN = 1130;
-
+    public static final int SYNONYM_EXISTS = 1131;
     // Feed errors
     public static final int DATAFLOW_ILLEGAL_STATE = 3001;
     public static final int UTIL_DATAFLOW_UTILS_TUPLE_TOO_LARGE = 3002;
diff --git a/asterixdb/asterix-common/src/main/resources/asx_errormsg/en.properties b/asterixdb/asterix-common/src/main/resources/asx_errormsg/en.properties
index 40caeb8..a02c50b 100644
--- a/asterixdb/asterix-common/src/main/resources/asx_errormsg/en.properties
+++ b/asterixdb/asterix-common/src/main/resources/asx_errormsg/en.properties
@@ -200,7 +200,7 @@
 1112 = Invalid format for property \"%1$s\"
 1113 = Invalid pattern %1$s
 1114 = The provided external dataset configuration returned no files from the external source
-1115 = A synonym with this name %1$s already exists
+1115 = Invalid name for a database object: \"%1$s\"
 1116 = Cannot find synonym with name %1$s
 1117 = Unknown library %1$s
 1118 = Too many grouping sets in group by clause: %1$s. Maximum allowed: %2$s.
@@ -216,6 +216,7 @@
 1128 = Filter field is not defined properly
 1129 = Cannot compile SELECT variable.* with GROUP BY GROUPING SETS/ROLLUP/CUBE followed by ORDER BY/LIMIT
 1130 = Illegal use of RIGHT OUTER JOIN
+1131 = A synonym with this name %1$s already exists
 
 # Feed Errors
 3001 = Illegal state.