Re: Indexes Used per Query

From: <Riyaj_Shamsudeen_at_i2.com>
Date: Tue, 14 Aug 2001 08:12:49 -0700
Message-ID: <F001.00369B14.20010814072024@fatcity.com>

Yes. It can. In fact, AND_EQUAL hint can be specified to use multiple indexes and merge them for single table access path..

From tuning guide:
AND_EQUAL
        This hint explicitly chooses an execution plan that uses an access path that merges the scans on several single column indexes.

Thanks
Riyaj "Re-yas" Shamsudeen
Certified Oracle DBA
i2 technologies   www.i2.com

Walter K <alden14004_at_yahoo.com>
Sent by: root_at_fatcity.com
08/14/01 09:06 AM
Please respond to ORACLE-L

       
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        Subject:        Indexes Used per Query

Will the optimizer (CBO) ever use more than one index in the access path for a table in a query? I have never seen this behavior and have always been curious.

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Received on Tue Aug 14 2001 - 10:12:49 CDT