For some reason, when I click Add Diagram in Server Explorer, I leave a blank tab for diagramming. However, there is no dialog box that usually asks which tables to add. The drop-down menu at the top, called Diagrams , also has all the buttons inactive.
What could be the reason?
I have SQL Server Express running (checked in SQL Server Configuration Manager). Version - 10.1.
sql-server visual-studio-2010
pmichna
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