Re: A Normalization Question

From: Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be>
Date: Fri, 09 Jul 2004 21:56:28 GMT
Message-ID: <gwEHc.180913$bg.8762417_at_phobos.telenet-ops.be>


Chris Hoess wrote:
> In article <gMzHc.180582$Q%4.8677405_at_phobos.telenet-ops.be>, Jan Hidders wrote:
>

>>Marshall Spight wrote:
>>
>>>You keep treating redundancy and normalization as if
>>>they were the same things; they're not.
>>
>>Well, the term "redundancy" has a pretty well-specified meaning in 
>>normalization theory. The informal version of that definition is as follows:
>>
>>"A certain part of that data structure is said to be redundant if you 
>>cannot remove it without losing information."

>
> ITYM "can remove it".

Oops, Yes I did. Thank you.

> Anyway, Neo appears to be insistent on defining
> normalization as "some process on the database which removes redundancy";
> unfortunately, such a definition makes it virtually impossible to make
> general statements about "normalization" above and beyond the definition
> itself.

Well, I would argue that this depends upon your definition of redundancy.

  • Jan Hidders
Received on Fri Jul 09 2004 - 23:56:28 CEST

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