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From: Greg Smith <greg@2ndquadrant.com>
To: Ozer, Pam <pozer@automotive.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Slow Query
Date: Fri, 27 Aug 2010 13:30:50 -0400
Message-ID: <4C77F64A.8030102@2ndquadrant.com> (raw)
In-Reply-To: <C3CA20D47A2DF94FBF9CF0AE8D964CC412438A@mail-001.corp.automotive.com>
References: <C3CA20D47A2DF94FBF9CF0AE8D964CC412438A@mail-001.corp.automotive.com>

Ozer, Pam wrote:
>
> I am new to Postgres and I am trying to understand the Explain Analyze 
> so I can tune the following query.
>

You should try http://explain.depesz.com/ , where you can post query 
plans like this and see where the time is going in a very easy to work 
with form.  It will highlight row estimation mistakes for you too.

-- 
Greg Smith  2ndQuadrant US  Baltimore, MD
PostgreSQL Training, Services and Support
greg@2ndQuadrant.com   www.2ndQuadrant.us

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