RE: Slow running Query.

From: Juan Carlos Reyes Pacheco <jreyes_at_dazasoftware.com>
Date: Tue, 22 Jun 2004 16:08:42 -0400
Message-Id: <40D891CA.00000F.02400@CACHITOSS>

Sorry I didn't word correctly
I talk about this

non-leading index column references cannot use indexes And it's here is a paper from oracle work http://www.oracle.com/pls/ems/oow_user.download?p_event_id=13&p_file=W36100 zip

-------Original Message-------

From: oracle-l_at_freelists.org
Date: 06/22/04 15:05:24
To: oracle-l_at_freelists.org
Subject: RE: Slow running Query.

Quoting Juan Carlos Reyes Pacheco <jreyes_at_dazasoftware.com>:

> Hi
> In Oracle 8 i remember you have more limitations to get an index used.
> 1) If I'm noyt wrong columns must be in the same order (including the
> function)

That is at best an urban legend. It may have been true for the RBO at some point, but certainly not for 8i CBO.

--
regards
 
Wolfgang Breitling
Oracle 7,8,8i,9i OCP DBA
Centrex Consulting Corporation
www.centrexcc.com
 
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Received on Tue Jun 22 2004 - 15:10:12 CDT