Re: foreign key constraint versus referential integrity constraint
Date: Sun, 25 Oct 2009 01:08:59 -0700 (PDT)
On Oct 24, 8:56 pm, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
> What reason would one have to define an equality comparison to compare
> employee ids with department ids or with names? Or charge with current
> or potential? Or age with price?
shoot your age and you are worth your weight in gold. Received on Sun Oct 25 2009 - 09:08:59 CET