Re: How to ensure only one of two sets of optional information?
From: Marshall Spight <mspight_at_dnai.com>
Date: Fri, 19 Dec 2003 23:05:15 GMT
Message-ID: <LuLEb.433965$ao4.1386198_at_attbi_s51>
> SQL has little support for anything really useful, but I think a constant
> value should be a relatively simple check constraint. What are the chances
> that any dbms out there has sufficient physical independence to avoid
> storing the constant for every row?
Date: Fri, 19 Dec 2003 23:05:15 GMT
Message-ID: <LuLEb.433965$ao4.1386198_at_attbi_s51>
"Bob Badour" <bbadour_at_golden.net> wrote in message news:2eqdncRHpMdvHH6i4p2dnA_at_golden.net...
>
> SQL has little support for anything really useful, but I think a constant
> value should be a relatively simple check constraint. What are the chances
> that any dbms out there has sufficient physical independence to avoid
> storing the constant for every row?
Heh heh. I was thinking the same thought.
Marshall Received on Sat Dec 20 2003 - 00:05:15 CET