Deciding between an artificial primary key and a natural key for a Products table

Question

Basically, I will need to combine product data from multiple vendors into a single database (it\'s more complex than that, of course) which has several tables that will need

Answer 1

I'd advice on having an autoincremented "meaningless" integer as primary key. Should someone come up with the idea of reorganizing product IDs, at least your DB won't get into trouble.