diff --git a/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/model/DB2DataSourceInfo.java b/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/model/DB2DataSourceInfo.java
index f6647303e55d1f44f11c32c8f0eb8293ad19cd4e..8c1c27ace44daa290898de8120752144666aa817 100644
--- a/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/model/DB2DataSourceInfo.java
+++ b/plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/model/DB2DataSourceInfo.java
@@ -17,8 +17,10 @@
 
 package org.jkiss.dbeaver.ext.db2.model;
 
+import org.jkiss.dbeaver.ext.db2.editors.DB2ObjectType;
 import org.jkiss.dbeaver.model.exec.jdbc.JDBCDatabaseMetaData;
 import org.jkiss.dbeaver.model.impl.jdbc.JDBCDataSourceInfo;
+import org.jkiss.dbeaver.model.struct.DBSObjectType;
 
 /**
  * DB2 data source info
@@ -34,4 +36,8 @@ class DB2DataSourceInfo extends JDBCDataSourceInfo {
         return true;
     }
 
+    @Override
+    public DBSObjectType[] getSupportedObjectTypes() {
+        return DB2ObjectType.values();
+    }
 }
diff --git a/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerDataSourceInfo.java b/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerDataSourceInfo.java
index 021b10100629319385dd7e95ce4fe09a5da6b706..bcd30427d0138443cc79d1edb994df294a25f2c4 100644
--- a/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerDataSourceInfo.java
+++ b/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerDataSourceInfo.java
@@ -19,6 +19,7 @@ package org.jkiss.dbeaver.ext.mssql.model;
 import org.jkiss.dbeaver.ext.mssql.SQLServerUtils;
 import org.jkiss.dbeaver.model.exec.jdbc.JDBCDatabaseMetaData;
 import org.jkiss.dbeaver.model.impl.jdbc.JDBCDataSourceInfo;
+import org.jkiss.dbeaver.model.struct.DBSObjectType;
 import org.jkiss.utils.CommonUtils;
 
 /**
@@ -55,4 +56,10 @@ class SQLServerDataSourceInfo extends JDBCDataSourceInfo {
         String serverVersion = dataSource.getServerVersion();
         return CommonUtils.isEmpty(serverVersion) ? super.getDatabaseProductVersion() : super.getDatabaseProductVersion() + "\n" + serverVersion;
     }
+
+    @Override
+    public DBSObjectType[] getSupportedObjectTypes() {
+        return SQLServerObjectType.values();
+    }
+
 }
diff --git a/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerObjectType.java b/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerObjectType.java
index 24eb4e0b053b220ef01aadf235d1fbeeee497bfc..04343c8ce6c30899548c508f1e288aee0bd97ec6 100644
--- a/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerObjectType.java
+++ b/plugins/org.jkiss.dbeaver.ext.mssql/src/org/jkiss/dbeaver/ext/mssql/model/SQLServerObjectType.java
@@ -54,7 +54,7 @@ public enum SQLServerObjectType implements DBSObjectType {
 	TF ("TF", SQLServerProcedure.class, DBIcon.TREE_FUNCTION, "SQL table-valued-function"),
 	TR ("TR", SQLServerTableTrigger.class, DBIcon.TREE_TRIGGER, "SQL DML trigger"),
 	TT ("TT", null, DBIcon.TREE_DATA_TYPE, "Table type"),
-	U ("U", SQLServerTable.class, DBIcon.TREE_TABLE, "Table (user-defined)"),
+	U ("U", SQLServerTable.class, DBIcon.TREE_TABLE, "Table"),
 	UQ ("UQ", SQLServerTableUniqueKey.class, DBIcon.TREE_CONSTRAINT, "UNIQUE constraint"),
 	V ("V", SQLServerView.class, DBIcon.TREE_VIEW, "View"),
 	X ("X", SQLServerProcedure.class, DBIcon.TREE_PROCEDURE, "Extended stored procedure");
diff --git a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSource.java b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSource.java
index 9a46a2bd6d437b58398d037231fb1a246ddc154b..8b899a39b92932b64e7659f3101e7e37c73dae41 100644
--- a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSource.java
+++ b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSource.java
@@ -32,7 +32,10 @@ import org.jkiss.dbeaver.model.connection.DBPDriver;
 import org.jkiss.dbeaver.model.exec.*;
 import org.jkiss.dbeaver.model.exec.jdbc.*;
 import org.jkiss.dbeaver.model.exec.plan.DBCQueryPlanner;
-import org.jkiss.dbeaver.model.impl.jdbc.*;
+import org.jkiss.dbeaver.model.impl.jdbc.JDBCDataSource;
+import org.jkiss.dbeaver.model.impl.jdbc.JDBCExecutionContext;
+import org.jkiss.dbeaver.model.impl.jdbc.JDBCRemoteInstance;
+import org.jkiss.dbeaver.model.impl.jdbc.JDBCUtils;
 import org.jkiss.dbeaver.model.impl.jdbc.cache.JDBCObjectCache;
 import org.jkiss.dbeaver.model.impl.jdbc.cache.JDBCStructCache;
 import org.jkiss.dbeaver.model.meta.Association;
@@ -282,7 +285,7 @@ public class OracleDataSource extends JDBCDataSource implements IAdaptable {
 
     @Override
     protected DBPDataSourceInfo createDataSourceInfo(DBRProgressMonitor monitor, @NotNull JDBCDatabaseMetaData metaData) {
-        return new JDBCDataSourceInfo(metaData);
+        return new OracleDataSourceInfo(this, metaData);
     }
 
     @Override
diff --git a/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSourceInfo.java b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSourceInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..299a303b64bb7d32ead9b8d67ada3c3871909f8b
--- /dev/null
+++ b/plugins/org.jkiss.dbeaver.ext.oracle/src/org/jkiss/dbeaver/ext/oracle/model/OracleDataSourceInfo.java
@@ -0,0 +1,40 @@
+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2019 Serge Rider (serge@jkiss.org)
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.oracle.model;
+
+import org.jkiss.dbeaver.model.exec.jdbc.JDBCDatabaseMetaData;
+import org.jkiss.dbeaver.model.impl.jdbc.JDBCDataSourceInfo;
+import org.jkiss.dbeaver.model.struct.DBSObjectType;
+
+/**
+ * OracleDataSourceInfo
+ */
+class OracleDataSourceInfo extends JDBCDataSourceInfo {
+
+    private OracleDataSource dataSource;
+
+    public OracleDataSourceInfo(OracleDataSource dataSource, JDBCDatabaseMetaData metaData) {
+        super(metaData);
+        this.dataSource = dataSource;
+    }
+
+    @Override
+    public DBSObjectType[] getSupportedObjectTypes() {
+        return OracleObjectType.values();
+    }
+
+}
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBPDataSourceInfo.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBPDataSourceInfo.java
index 0ec856e5dda315d3c1034f09d10d5937eead34d2..076f438f33b03e7e9a02c3fffab6c9fe50220ba9 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBPDataSourceInfo.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBPDataSourceInfo.java
@@ -17,6 +17,7 @@
 
 package org.jkiss.dbeaver.model;
 
+import org.jkiss.dbeaver.model.struct.DBSObjectType;
 import org.osgi.framework.Version;
 
 import java.util.Collection;
@@ -166,4 +167,6 @@ public interface DBPDataSourceInfo
      * Workaround for broken drivers (#2792)
      */
     boolean isMultipleResultsFetchBroken();
+
+    DBSObjectType[] getSupportedObjectTypes();
 }
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBUtils.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBUtils.java
index 0904b589f26bc488bf57a452bdb3016abbdb6b33..f1e655000a3e6e537b070ae9271652eca3ee9828 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBUtils.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/DBUtils.java
@@ -2034,4 +2034,15 @@ public final class DBUtils {
             ((DBPQualifiedObject)entity).getFullyQualifiedName(DBPEvaluationContext.DDL) : DBUtils.getQuotedIdentifier(entity);
     }
 
+    public static String getObjectTypeName(DBSObject object) {
+        DBSObjectType[] objectTypes = object.getDataSource().getInfo().getSupportedObjectTypes();
+        for (DBSObjectType ot : objectTypes) {
+            Class<? extends DBSObject> typeClass = ot.getTypeClass();
+            if (typeClass != null && typeClass != DBSObject.class && typeClass.isInstance(object)) {
+                return ot.getTypeName();
+            }
+        }
+        return "Object";
+    }
+
 }
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/AbstractDataSourceInfo.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/AbstractDataSourceInfo.java
index 897b0c571576943b2e42cecc1958ec69963feb53..60d668d8220bad2715a640e2cda873b569419a4c 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/AbstractDataSourceInfo.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/AbstractDataSourceInfo.java
@@ -18,6 +18,7 @@ package org.jkiss.dbeaver.model.impl;
 
 import org.jkiss.dbeaver.model.DBPDataSourceInfo;
 import org.jkiss.dbeaver.model.DBPTransactionIsolation;
+import org.jkiss.dbeaver.model.struct.DBSObjectType;
 
 import java.util.Collection;
 import java.util.Map;
@@ -104,6 +105,11 @@ public abstract class AbstractDataSourceInfo implements DBPDataSourceInfo
         return false;
     }
 
+    @Override
+    public DBSObjectType[] getSupportedObjectTypes() {
+        return new DBSObjectType[0];
+    }
+
     @Override
     public boolean supportsBatchUpdates()
     {
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/JDBCDataSourceInfo.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/JDBCDataSourceInfo.java
index d2b00b105da774f184ad6843f4bb818db734de42..ea5103608e397792148856717c15c581253eecc1 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/JDBCDataSourceInfo.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/JDBCDataSourceInfo.java
@@ -21,7 +21,9 @@ import org.jkiss.dbeaver.model.DBPDataSourceContainer;
 import org.jkiss.dbeaver.model.DBPTransactionIsolation;
 import org.jkiss.dbeaver.model.exec.jdbc.JDBCDatabaseMetaData;
 import org.jkiss.dbeaver.model.impl.AbstractDataSourceInfo;
+import org.jkiss.dbeaver.model.impl.struct.RelationalObjectType;
 import org.jkiss.dbeaver.model.messages.ModelMessages;
+import org.jkiss.dbeaver.model.struct.DBSObjectType;
 import org.jkiss.utils.CommonUtils;
 import org.osgi.framework.Version;
 
@@ -326,6 +328,22 @@ public class JDBCDataSourceInfo extends AbstractDataSourceInfo
         return false;
     }
 
+    @Override
+    public DBSObjectType[] getSupportedObjectTypes() {
+        return new DBSObjectType[] {
+            RelationalObjectType.TYPE_TABLE,
+            RelationalObjectType.TYPE_VIEW,
+            RelationalObjectType.TYPE_TABLE_COLUMN,
+            RelationalObjectType.TYPE_VIEW_COLUMN,
+            RelationalObjectType.TYPE_INDEX,
+            RelationalObjectType.TYPE_CONSTRAINT,
+            RelationalObjectType.TYPE_PROCEDURE,
+            RelationalObjectType.TYPE_SEQUENCE,
+            RelationalObjectType.TYPE_TRIGGER,
+            RelationalObjectType.TYPE_DATA_TYPE
+        };
+    }
+
     public void setSupportsResultSetScroll(boolean supportsScroll)
     {
         this.supportsScroll = supportsScroll;
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/SQLObjectEditor.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/SQLObjectEditor.java
index 747d19bbd895240ab271f91ca195566b6daa610b..66a10b479d824eedba9bff4b9238de23d513e383 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/SQLObjectEditor.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/sql/edit/SQLObjectEditor.java
@@ -330,13 +330,13 @@ public abstract class SQLObjectEditor<OBJECT_TYPE extends DBSObject, CONTAINER_T
             if (!newObject.isPersisted()) {
                 String objectName = newObject.getName();
                 if (CommonUtils.isEmpty(objectName)) {
-                    throw new DBException("Empty object name");
+                    throw new DBException("Empty " + DBUtils.getObjectTypeName(newObject).toLowerCase() + " name");
                 }
                 DBSObjectCache<? extends DBSObject, OBJECT_TYPE> objectsCache = getObjectsCache(newObject);
                 if (objectsCache != null) {
                     OBJECT_TYPE cachedObject = DBUtils.findObject(objectsCache.getCachedObjects(), objectName);
                     if (cachedObject != null && cachedObject != newObject) {
-                        throw new DBException("Object '" + objectName + "' already exists");
+                        throw new DBException(DBUtils.getObjectTypeName(newObject) + " '" + objectName + "' already exists");
                     }
                 }
             }