The first string has a space after the letter, the second does not. Without a Trim, why are they equal? Case sensitivity is irrelevant. The two strings aren't equal.

Look at the Kimball Group, they have lots of BI-related courses.

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My problem was similar, and it turned out that I was doing it to myself. I was running a bunch of scripts in a VS2008 project to create stored procedures....

I just want to thank you very much for relieving HOURS of tedium! Even if I have to tweak it a bit (for example, on my updates I add ISNULL(@NewValue,[OldValue])...