Re: Columns without names
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sun, 17 Sep 2006 23:40:28 GMT
Message-ID: <M1lPg.21852$9u.257556_at_ursa-nb00s0.nbnet.nb.ca>
Date: Sun, 17 Sep 2006 23:40:28 GMT
Message-ID: <M1lPg.21852$9u.257556_at_ursa-nb00s0.nbnet.nb.ca>
Marshall wrote:
> Marshall wrote:
>
>
> If you're going where I think you're going, then I would
> propose that it is better *not* to think of domain
> definitions as being relations. What works better, as
> best I can tell, is to consider them simple sets.
Oh, good catch! After you point it out, it's so obvious that if one starts with a relation as a set of tuples then removes all the tuple-ness of the elements, what's left is just a set.
Why didn't I think of that? Received on Mon Sep 18 2006 - 01:40:28 CEST