Re: Normalization, Natural Keys, Surrogate Keys
Date: Tue, 28 May 2002 17:17:20 +0100
>> Having a surrogate primary key shouldn't let you off the hook. As a
>> rule of thumb, you always HAVE TO HAVE an alternate UNIQUE constraint.
>I respectfully disagree with "always have to have." Yes, it may often
>be necessary, but not always.
-- Bernard Peek bap_at_shrdlu.com In search of cognoscentiReceived on Tue May 28 2002 - 18:17:20 CEST