Visual Studio Lightswitch seems as a good way to bring up a master data maintainance in pretty reasonable time. And I bet everyone needs some master data management for their apps.
The start is pretty easy, with Entity Framework and a Code, err Designer First approach. Beneath there is a LocalDB residing in <SolutionPath>\<ProjektName>\bin\Data.
But how can one access this Database directly to fill in some test data?
Just go to the Server Explorer, Data Connections and add a Connection. Then select SQL Server as the connection type (NOT SQL Server Database File!!) and "(localdb)\v11.0" as the database name.
Now you have the tables directly on your hand.