From: Andres Freund <andres@anarazel.de>
To: pgsql-performance@postgresql.org
Subject: Re: Compared MS SQL 2000 to Postgresql 9.0 on Windows
Date: Tue, 7 Dec 2010 19:20:36 +0100
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Cc: Tom Polak <tom@rockfordarearealtors.org>
References: <378e24d1e3af88a49fbbb7c4d26f441a@mail.gmail.com>
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On Tuesday 07 December 2010 18:34:25 Tom Polak wrote:
> Then I did the same test via Postgresql and it took 8.85 seconds!  I tried
> it again as I thought I did something wrong.  I did a few tweaks such as
> increasing the shared buffers.  Still the best I could get it to was 7.5
> seconds.  This is insanely slow compared to MSSQL 2000.  What am I missing.
> Here is my SQL statement for postgresql:
> select name,address,city,state,statename,stateid,other from pgtemp1 left
> join pgtemp2 on state=stateid
I think you would at least provide the exact schema and possibly some example 
data (pg_dump) to get us somewhere.

I would suggest you post the output of EXPLAIN ANALYZE $yourquery - that gives 
us information about how that query was executed.

Greetings,

Andres