Postgres Optimizer

From: Bellur Ashwin <bell_ashwin(at)yahoo(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: Postgres Optimizer
Date: 2007-04-13 13:40:10
Message-ID: 978290.44944.qm@web50601.mail.re2.yahoo.com
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Hi,

What is the optimization algorithm implemented in postgres 8.2.3 ?
Is it the original System-R optimization or any enhancements have been implemented ?
Or is it completely new approach?

With Regards,
Bellur Ashwin

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