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Indexes to speed sorting

From: Jeff Willden <jeff(at)pavanell(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Indexes to speed sorting
Date: 2008-01-26 16:21:19
Message-ID: 6C714C1B-B558-4D45-9A1C-88CFC917DFF1@pavanell.com (view raw or flat)
Thread:
Lists: pgsql-novice
In other DBMSs indexes speed the process of sorting on a field in an  
ORDER BY clause if the same conditions for WHERE and JOIN clauses are  
met. I didn't see this mentioned in the docs on indexes though. Does  
an index also speed sorting as it does lookup in the other clauses?

Jeff Willden

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Subject: Re: Indexes to speed sorting
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