RE: Same index, different plan
Date: Fri, 4 Apr 2008 15:28:39 -0400
Indeed, and thanks.
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From: Wolfgang Breitling [mailto:breitliw_at_centrexcc.com] Sent: Friday, April 04, 2008 3:24 PM
To: Baumgartel, Paul
Cc: mark.powell_at_eds.com; oracle-l
Subject: RE: Same index, different plan
because the index hint is synonymous with index_rs. Both request an index range scan - and the CBO obeyed the hint ! :-) If you want something else you have to say it: index_ffs or index_ss (for skip scan) and I think there are a few more.
At 12:27 PM 4/4/2008, Baumgartel, Paul wrote:
>All true, but the question is why a hint that says "use this index"
>produces a different type of scan than a query without the hint that
>uses the index anyway.
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Received on Fri Apr 04 2008 - 14:28:39 CDT