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Re: Proposal: 6NF

From: Marshall <marshall.spight_at_gmail.com>
Date: 30 Sep 2006 23:48:06 -0700
Message-ID: <1159685286.885475.62840@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 - 01:48:06 CDT












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