Re: Network Example: Sibling of Opposite Gender

From: Lennart <Erik.Lennart.Jonsson_at_gmail.com>
Date: 30 Dec 2006 10:09:26 -0800
Message-ID: <1167502166.123392.106140_at_n51g2000cwc.googlegroups.com>

> Cimode wrote:
> [...]
> > Also you should keep in mind that NO NULL value should be allowed in
> > the first place. Any solution involving NULLS is not 1NF and therefore
> > is a hack...

BTW, do you have any - preferably free of charge - references where nulls and 1NF are discussed. I don't have an pay pal account, hence unable to get a copy of Date's and Pascal's articles that you referred to somewhere else in this thread.

/Lennart Received on Sat Dec 30 2006 - 19:09:26 CET

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