How to compare data between two table in different databases using Sql Server 2008?

Question

I have two database\'s, named DB1 and DB2 in Sql server 2008. These two database\'s have the same tables and same table data also. However, I want to check if there are an

Answer 1

select * from DB1.dbo.Table a inner join DB2.dbo.Table b on b.PrimKey = a.PrimKey 
where a.FirstColumn <> b.FirstColumn ...

Checksum that Matt recommended is probably a better approach to compare columns rather than comparing each column