• So does this mean that I don't need to change compatibility to 100? I restore a 2005 db on 2008 R2 and still see compatibility is 90 in sysdatabases. Maybe I'm missing something here. I was able to run sp_dbcmptlevel 'db', '100' and the change took but now just shows blank as the Compatibility Level in the UI (db options) but shows 100 in sysdatabases.