How to: Arrange Tables in Diagrams
You can quickly arrange the tables in a database diagram to see each table and relationship clearly.
Note
Your computer might show different names or locations for some of the Visual Studio user interface elements in the following instructions. The Visual Studio edition that you have and the settings that you use determine these elements. For more information, see Customizing Development Settings in Visual Studio.
To arrange tables in diagrams
Right-click in the empty space in the Database Diagram window.
From the shortcut menu click Arrange Tables.