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Are you sure it was running cost-based when
the FILTER was missing - I only put the hint in
to show that I was running cost-based. A partitioned
table will force cost-based, even in the absence of
stats. (And, yes, it could be that 9.2.0.6 is just a
little bit better at predicate tricks than 9.2.0.4).
Regards
Jonathan Lewis
http://www.jlcomp.demon.co.uk/faq/ind_faq.html The Co-operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/seminar.html Public Appearances - schedule updated Jan 21st 2005
The filter step did not show up in 9.2.0.4 without all_rows hint. It shows up only if the table is partitioned (even on another column).
Waleed
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Received on Mon Mar 07 2005 - 12:23:35 CST