1. From the File menu, choose Save <tablename>.
2. If this is a new diagram that they have never before saved, the Save As dialog box appears. Type a name for the diagram.
If they made changes to tables in an existing diagram, the Save dialog box appears and displays a list of changes that will be saved in the database when they save their diagram.
3. Click Yes (or OK if this is a new diagram) to update the database to match their diagram.