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From: Josh Berkus <josh@agliodbs.com>
Reply-To: josh@agliodbs.com
Organization: Aglio Database Solutions
To: <mallah@trade-india.com>
Subject: Re: Why is seq search preferred here by planner?
Date: Wed, 23 Apr 2003 13:21:06 -0700
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Mallah,

> Got it , you mean to say userid being pkey  is affecting the method of
> implicit join being made by the update  stmt.

More to the point, the PKey index doesn't help the db retrieve the rows to=
=20
join at all.  It might if only 1,000 rows matched, but not with 150,000=20
matching rows.

-Josh Berkus