Re: Nearest Common Ancestor Report (XDb1's $1000 Challenge)

Hugo Kornelis <hugo_at_pe_NO_rFact.in_SPAM_fo> wrote:

>On Tue, 01 Jun 2004 17:16:32 -0300, Leandro Guimaraens Faria Corsetti
>Dutra wrote:
>
>>Em Sat, 22 May 2004 14:20:47 +0200, Hugo Kornelis escreveu:
>>
>>> There may be very valid reasons for violoating
>>> normalization rules in the design of a relation database.
>>
>> None whatsoever, if so which?

>Denormalizing to increase performance. I'm sure you've heard about it
>before.

     Done due to inadequate tools. Normalisation is done at the logical level. Mucking up ones logical design over an implementation issue is not good. You can get into horrible messes with loss of database integrity.

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:

     I have preferences.
     You have biases.
     He/She has prejudices.