RE: Slow running Query.

 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@xxxxxxxxxxxxx
Date: 06/22/04 15:05:24
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: Slow running Query.
 
Quoting Juan Carlos Reyes Pacheco <jreyes@xxxxxxxxxxxxxxxx>:
 
>
> 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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