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Re: [GENERAL] slow queries

From: David Hartwig <daveh(at)insightdist(dot)com>
To: Thomas Good <tomg(at)nrnet(dot)org>
Cc: Howie <caffeine(at)toodarkpark(dot)org>, pgsql-general(at)postgreSQL(dot)org
Subject: Re: [GENERAL] slow queries
Date: 1998-09-18 14:37:49
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general

Thomas Good wrote:

> On Thu, 17 Sep 1998, Howie wrote:
> Howie,
> I have a query that looks up a patient's placement (which ward)
> in one table and then looks up diagnostic and demographic data
> in another...takes 53 seconds.  Ouch.
> However, when I use table aliasing...the query output is on the
> screen *before* I submit the query.  ;-)
> I'll send syntax, if you like.

I would like to see it!   I was not aware that table aliasing could have any impact
on performance.

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