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Home -> Community -> Usenet -> comp.databases.theory -> Re: Normalization and DBMS
Em Wed, 12 May 2004 08:50:43 +0000, Alfredo Novoa escreveu:
>> 1NF was initially applied to clean our databases of such
>>horrors as:
>>
>> CREATE TABLE
>>(
>> subject,
>> year,
>> grade_jan,
>> grade_feb,
>> ...
>>)
>
> Yes, but this table is in 1NF.
So back to the textbooks...
Normalisation apart would you still agree it is a good thing to get rid of repeating groups? On which theoretical basis if any?
-- Leandro Guimarães Faria Corsetti Dutra +55 (11) 5685 2219 Av Sgto Geraldo Santana, 1100 6/71 +55 (11) 5686 9607 04.674-000 São Paulo, SP BRASIL http://br.geocities.com./lgcdutra/Received on Wed May 12 2004 - 08:11:27 CDT
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