Re: Proposal: 6NF
From: Marshall <marshall.spight_at_gmail.com>
Date: 30 Sep 2006 23:48:06 -0700
Message-ID: <1159685286.885475.62840_at_c28g2000cwb.googlegroups.com>
Date: 30 Sep 2006 23:48:06 -0700
Message-ID: <1159685286.885475.62840_at_c28g2000cwb.googlegroups.com>
Brian Selzer wrote:
>
> Every value is a set
No.
> and every set is a value,
Yes.
> so what is the empty set?
A value.
> The absence of a value?
No.
> Does that mean that the absence of a value is a value?
No.
> Isn't that what a NULL represents--the absence of a value?
No.
Marshall Received on Sun Oct 01 2006 - 08:48:06 CEST