Re: So what's null then if it's not nothing?
From: David Cressey <dcressey_at_verizon.net>
Date: Tue, 13 Dec 2005 11:58:13 GMT
Message-ID: <pHynf.1925$pF.1163_at_trndny08>
Date: Tue, 13 Dec 2005 11:58:13 GMT
Message-ID: <pHynf.1925$pF.1163_at_trndny08>
"Jon Heggland" <heggland_at_idi.ntnu.no> wrote in message
news:MPG.1e07ca1b45bb3a9f989744_at_news.ntnu.no...
> I don't see why '<' is something to get worked up about. Why is it bad
> to define some (arbitrary) order for truth values? As for defining a
> strange '=', they do so for the other domains (and I think Codd does it
> too), and Codd's article doesn't mention Kleene either. It seems strange
> if Codd didn't bother to correct the SQL committee if it got things so
> very wrong.