diff --git a/plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/edit/GenericTableManager.java b/plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/edit/GenericTableManager.java
index 15a75545ef4fa89b5f25870f9692d471a3faacdf..925c88408b6ffd62e25ff01393ee80b32399b9c1 100644
--- a/plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/edit/GenericTableManager.java
+++ b/plugins/org.jkiss.dbeaver.ext.generic/src/org/jkiss/dbeaver/ext/generic/edit/GenericTableManager.java
@@ -21,11 +21,18 @@ import org.jkiss.code.NotNull;
 import org.jkiss.code.Nullable;
 import org.jkiss.dbeaver.DBException;
 import org.jkiss.dbeaver.ext.generic.model.*;
+import org.jkiss.dbeaver.model.DBPObject;
 import org.jkiss.dbeaver.model.edit.DBECommandContext;
 import org.jkiss.dbeaver.model.impl.DBSObjectCache;
+import org.jkiss.dbeaver.model.impl.sql.edit.SQLObjectEditor;
 import org.jkiss.dbeaver.model.impl.sql.edit.struct.SQLTableManager;
 import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
+import org.jkiss.dbeaver.model.struct.DBSEntityConstraint;
 import org.jkiss.dbeaver.model.struct.DBSObject;
+import org.jkiss.dbeaver.model.struct.rdb.DBSTableIndex;
+import org.jkiss.utils.CommonUtils;
+
+import java.util.Collection;
 
 /**
  * Generic table manager
@@ -66,4 +73,23 @@ public class GenericTableManager extends SQLTableManager<GenericTable, GenericSt
         return table;
     }
 
+    @Override
+    protected boolean excludeFromDDL(NestedObjectCommand command, Collection<NestedObjectCommand> orderedCommands) {
+        // Filter out indexes for unique constraints (if they have the same name)
+        DBPObject object = command.getObject();
+        if (object instanceof DBSTableIndex) {
+            for (NestedObjectCommand ccom : orderedCommands) {
+                if (ccom.getObject() instanceof DBSEntityConstraint &&
+                    ccom.getObject() != object &&
+                    ((DBSEntityConstraint) ccom.getObject()).getConstraintType().isUnique() &&
+                    CommonUtils.equalObjects(
+                        ((DBSTableIndex) object).getName(), ((DBSEntityConstraint) ccom.getObject()).getName()))
+                {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
 }
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/struct/SQLTableManager.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/struct/SQLTableManager.java
index acc38b9ba479a52d25e1afd900aee6c345148c2d..a8b52eecf3648b2f9064c8da2dfbc736e185acc6 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/struct/SQLTableManager.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/struct/SQLTableManager.java
@@ -19,6 +19,7 @@ package org.jkiss.dbeaver.model.impl.sql.edit.struct;
 
 import org.jkiss.dbeaver.DBException;
 import org.jkiss.dbeaver.model.DBPEvaluationContext;
+import org.jkiss.dbeaver.model.DBPObject;
 import org.jkiss.dbeaver.model.DBUtils;
 import org.jkiss.dbeaver.model.edit.DBEPersistAction;
 import org.jkiss.dbeaver.model.edit.DBERegistry;
@@ -29,16 +30,15 @@ import org.jkiss.dbeaver.model.impl.sql.edit.SQLObjectEditor;
 import org.jkiss.dbeaver.model.impl.sql.edit.SQLStructEditor;
 import org.jkiss.dbeaver.model.messages.ModelMessages;
 import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
-import org.jkiss.dbeaver.model.struct.DBSEntityAssociation;
-import org.jkiss.dbeaver.model.struct.DBSEntityAttribute;
-import org.jkiss.dbeaver.model.struct.DBSObject;
-import org.jkiss.dbeaver.model.struct.DBSObjectContainer;
+import org.jkiss.dbeaver.model.runtime.VoidProgressMonitor;
+import org.jkiss.dbeaver.model.struct.*;
 import org.jkiss.dbeaver.model.struct.rdb.DBSTableConstraint;
 import org.jkiss.dbeaver.model.struct.rdb.DBSTableForeignKey;
 import org.jkiss.dbeaver.model.struct.rdb.DBSTableIndex;
 import org.jkiss.dbeaver.utils.GeneralUtils;
 import org.jkiss.utils.CommonUtils;
 
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
@@ -78,10 +78,14 @@ public abstract class SQLTableManager<OBJECT_TYPE extends JDBCTable, CONTAINER_T
         StringBuilder createQuery = new StringBuilder(100);
         createQuery.append("CREATE TABLE ").append(tableName).append(" (").append(lineSeparator); //$NON-NLS-1$ //$NON-NLS-2$
         boolean hasNestedDeclarations = false;
-        for (NestedObjectCommand nestedCommand : getNestedOrderedCommands(command)) {
+        final Collection<NestedObjectCommand> orderedCommands = getNestedOrderedCommands(command);
+        for (NestedObjectCommand nestedCommand : orderedCommands) {
             if (nestedCommand.getObject() == table) {
                 continue;
             }
+            if (excludeFromDDL(nestedCommand, orderedCommands)) {
+                continue;
+            }
             final String nestedDeclaration = nestedCommand.getNestedDeclaration(table);
             if (!CommonUtils.isEmpty(nestedDeclaration)) {
                 // Insert nested declaration
@@ -105,6 +109,10 @@ public abstract class SQLTableManager<OBJECT_TYPE extends JDBCTable, CONTAINER_T
         actions.add( 0, new SQLDatabasePersistAction(ModelMessages.model_jdbc_create_new_table, createQuery.toString()) );
     }
 
+    protected boolean excludeFromDDL(NestedObjectCommand command, Collection<NestedObjectCommand> orderedCommands) {
+        return false;
+    }
+
     @Override
     protected void addObjectDeleteActions(List<DBEPersistAction> actions, ObjectDeleteCommand command)
     {