Обсуждение: multiple primary keys

Dear admin,
How do you get your own primary keys, especially multiple primary keys, to
over ride the system key?
dwhitmarsh@southhills.edu

On Mon, 8 Jul 2002, Dave Whitmarsh wrote:

> How do you get your own primary keys, especially multiple primary keys, to
> over ride the system key?

Well, you can't have multiple primary keys.  You can have multiple
candidate keys with unique however.
It might be more helpful to say what you're doing and what you want.