Re: count * performance issue

From: Greg Smith <gsmith(at)gregsmith(dot)com>
To: sathiya psql <sathiya(dot)psql(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: count * performance issue
Date: 2008-03-06 13:27:14
Message-ID: Pine.GSO.4.64.0803060825220.11897@westnet.com
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On Thu, 6 Mar 2008, sathiya psql wrote:

> any way will you explain., what is this COST, actual time and other
> stuffs....

There's a long list of links to tools and articles on this subject at
http://www.postgresqldocs.org/index.php/Using_EXPLAIN

--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD

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