The Resource Database is a System Database. Extract from SQL Server 2005 Administration (under System Databases): "...It is new to SQL Server 2005 and contains all the read-only critical system...

I jumped on the third answer (sys.columns.is_identity is 1), tested the query, got the right result and went for it...

I agree with Jan. I checked my SQL Server Administration book and DAC is not the default for SQL Server Express. It's listed as default only for Workgroup, Standard, and...

4 + 102 + 1 + 4 + 1 + 1 + 202 + 1 = 316