>>Here at my job we have a database modeler in our group. He is insistent that all tables use 'Natural Keys' and not surrogate keys.
>
>Politics can be hard.
>
>Perhaps an appeal to authority may help?
>
>Here is the SQL guru Joe Celko discussing the issue - with references back to Codd:
>
>http://www.informationweek.com/software/information-management/celko-on-sql-natural-artificial-and-surrogate-keys-explained/d/d-id/1059246?
>
>We all know this, but here is the kernel of the argument - the article says it better than I can:
> "If users can get to the surrogate key, they will screw up the data integrity "

Michael,
Thanks for the link. I will read it after a bit this morning.