what is DBE? If you use toad, solution is in toad help -- search 'diagram' ER Diagram The ER diagram lets you quickly model a table and graphically see the dependencies and joins to other tables. To Access the ER diagram: From the Database|Report menu|ER Diagram. OR From the Schema Browser, Tables page, right-click on a table and select ER Diagram. Creating a New Diagram To create a New Diagram From the toolbar, select the New Diagram button. The Create ER Diagram dialog box appears. Enter the