Thanks, I learned something.

- webrunner

Thanks so much, Steve!!

I'll review that information.

- webrunner

Thanks, NorthernSoul, Jeff,
I'll review the documentation and see how things go in testing.

Thanks again.
-webrunner

Thanks, Steve. Interesting question that taught me something.

- webrunner

Thanks - tricky question for me, but I learned something.

- webrunner

Thanks for this Stairway! 

I would add only a couple of references - background for the Relational Model:

Edgar F. Codd
https://en.wikipedia.org/wiki/Edgar_F._Codd

Codd, E. F. (1970)....

What an ominous post! I hope you are able to solve whatever issue is facing you.

These links have a bunch of queries from Glenn Berry that might help.

Thanks for this article. I'm looking forward to going over it in detail, but FYI, I notice that the images appear to be broken. For example: http://www.stormrage.com/SQLStuff/Get-ADuser_Img2.png.
If you do...