Re: Some Humor

From: Dan <dan_at_nospam.com>
Date: Tue, 21 Jun 2005 11:50:03 -0500
Message-ID: <%yXte.348$Hb6.1221@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 - 11:50:03 CDT