Re: Some Humor
From: Dan <dan_at_nospam.com>
Date: Tue, 21 Jun 2005 11:50:03 -0500
Message-ID: <%yXte.348$Hb6.1221_at_news.uswest.net>
>
>
> BCNF.
>
> IIRC, 3NF permits an FD that references part of a candidate key, and
> therefore fails on the third point.
>
Date: Tue, 21 Jun 2005 11:50:03 -0500
Message-ID: <%yXte.348$Hb6.1221_at_news.uswest.net>
On 6/21/2005 12:22 AM, Jonathan Leffler wrote:
> Jan Hidders wrote:
>
>> Dan wrote: >> >>> ThirdNormalForm: >>> >>> 1. The key >>> 2. The whole key >>> 3. And nothing but the key >>> >>> So help me Codd. >> >> >> >> Pop-quiz! Does this describe 3NF or BCNF? Explain Why.
>
>
> BCNF.
>
> IIRC, 3NF permits an FD that references part of a candidate key, and
> therefore fails on the third point.
>
Still funny though! Received on Tue Jun 21 2005 - 18:50:03 CEST