Re: The REAL cost of joins

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От Grzegorz Jaśkiewicz
Тема Re: The REAL cost of joins
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Msg-id 2f4958ff1003040201n675db88eu64a402242923f54b@mail.gmail.com
обсуждение исходный текст
Ответ на Re: The REAL cost of joins  (Richard Huxton <dev@archonet.com>)
Список pgsql-general
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the reason you are using joins, most often is because your schema is normalized. One way or another, de-normalisation + queries will cost you more, than normalised tables and joins.
That's at least the short answer.

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