Re: RE: query slow in 9i, but not slow in 8i

From: Wolfgang Breitling <breitliw_at_centrexcc.com>
Date: Tue, 02 Mar 2004 08:03:32 -0700
Message-Id: <6.0.3.0.2.20040302080049.02b31840@pop.centrexcc.com>

At 07:51 AM 3/2/2004, you wrote:
>My personal preference is 'FOR ALL INDEXED COLUMNS', because I don't see
>histograms making sense for non-indexed columns.

Oh, yes they can. Can make a lot of sense and a big difference. And there are many indexed columns (single-column prime or unique keys just for starters) where they make absolutely no sense.

Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com

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Received on Tue Mar 02 2004 - 09:00:44 CST