In the table designer, suddenly my Relationship user interface is greying out the foreign key table selection on all tables when I go to add or edit a relationship, including the ones with exiting relationships. I can still build relationships in code.
Seem to remember a similar experience in SQL 2008 some years ago, but I find nothing on the net regarding this (a couple of issues raised, but nobody responded to the problem, just showed how to add relationship in code).
Using SQL Management Studio 2012, version 10.0.5058.0, but problem is more likely in the database
as the same problem is occurring on using Management Studio 2012 on another PC hitting the same database. database check shows no problems.
Thanks for any solutions, suggestions.
Glenn Robbins