The VisualStudioTeamEditionForDatabaseProfessionals make it easier to modify SqlServer databases by automating stuff like the renaming of fields, renaming of tables and automatically fixing the references of those tables and fields in the views or stored procedures that use them.
It also offers UnitTesting support for StoredProcedures in SqlServer
See http://msdn2.microsoft.com/en-us/teamsystem/aa718807.aspx
See DatabaseRefactoringTools for context