Re: The MySQL/PHP pair
From: Laconic2 <laconic2_at_comcast.net>
Date: Thu, 4 Nov 2004 08:59:24 -0500
Message-ID: <S4adnSE2VuteqBfcRVn-og_at_comcast.com>
Date: Thu, 4 Nov 2004 08:59:24 -0500
Message-ID: <S4adnSE2VuteqBfcRVn-og_at_comcast.com>
"Paul" <paul_at_test.com> wrote in message news:41894cca$0$4024$ed2619ec_at_ptn-nntp-reader01.plus.net...
> I think 1NF has a very mathematical basis. Everything stems from the
> fact that you're representing logical propositions. When thinking about
> relational theory, I always find it helpful to sometimes forget about
> relations themselves and go back to first principles: predicates and
> propositions.
But 1NF is defined for relations, isn't it?
>
> So a 1NF one is "John's car is blue"
>
> A non-1NF one is "Bill said on Monday 'John's car is blue'"
>
The above distinction is a useful one to make, but it has nothing to do with 1NF, does it? Received on Thu Nov 04 2004 - 14:59:24 CET