Re: ?? Functional Dependency Question ??
Date: Wed, 22 Oct 2008 21:14:34 GMT
Bob Badour wrote:
> I think the answer is actually "none of them". If you changed the
> question slightly to "When there are no purple parts, which suppliers
> supply all of the purple parts?" then the answer would be "all of them".
Maybe a useful principle to follow when phrasing db queries out loud is to preface all possible parameters with one of the adjectives "all" or "any". Received on Wed Oct 22 2008 - 23:14:34 CEST