IMO, Primary Keys are used for relating tables and should have nothing to do with the data itself, but be generated by the database. They are not something the user ever needs to see.
>Thnks for the advise, i surely will take it in consideration. do you have any experience (bad or worst) when using these kind of chars for advising not to use them in PK?
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer