RE: Normalization


-----Original Message-----
From:   oracle-l-bounce@xxxxxxxxxxxxx on behalf of Jared Still
Sent:   Thu 7/29/2004 4:05 PM
To:     Oracle-L Freelists
Cc:     
Subject:        Re: Normalization
On Thu, 2004-07-29 at 11:09, Daniel Fink wrote:
> I recall a quotation to the effect that no database will perform adequately
> in 3rd Normal Form. To me this defines the difference between theory and
...

I first saw this in the first editon of the Official Oracle DBA Hanbook, 
published by Oracle Press; the edition which covered Version 6 and the 
beginnings of Version 7.(circa 1993)  I no longer have that book, but I 
remembered it being in the 8i edition.  I found it on page 323, where 
it is attributed to ORACLE8: the Complete Reference.  I don't know if 
it has disappeared from more recent editions.

The reason for bringing this all up is that 10 years ago, this was reasonable
advice.  In the systems I have worked with in the last two years, I have
honestly never come accross a situation where denormalizing was ever needed.
In fact, we have had several situations where the solution was to re-normalize 
an old denormalized design.


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