Re: Loading optimization

From: Ian Harding <iharding(at)pakrat(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Loading optimization
Date: 2001-01-07 19:14:05
Message-ID: 3A58C162.FFCB98D7@pakrat.com
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Gary Wesley wrote:

> Is there any advantage to having data sorted before populating it into a
> table?
> (In 6.5)
>
> Gary Wesley

Yes. You have effectively loaded it with a clustered index. If you
cluster an index on the sort column after loading it, the sort will remain
in effect and will speed queries/joins that use that column.

Ian

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