Re: Duplicated Fields

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От David W Noon
Тема Re: Duplicated Fields
Дата
Msg-id 20110514163323.2e4e1c95@karnak.local
обсуждение исходный текст
Ответ на Duplicated Fields  (Daron Ryan <daron.ryan@gmail.com>)
Список pgsql-general
On Sun, 15 May 2011 00:05:13 +0930, Daron Ryan wrote about [GENERAL]
Duplicated Fields:

>  I am designing a database that will include at lot of duplicated
> data.
>Does Postgres perform many optimisations to eliminate duplications of
>fields or should I create additional tables to reference myself?

http://en.wikipedia.org/wiki/Database_normalization

You should do it yourself.  It is called "data normalization", and all
good database designers have been doing it for decades.
--
Regards,

Dave  [RLU #314465]
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dwnoon@ntlworld.com (David W Noon)
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