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Message Posted: Tue, 01 Jul 2003 @ 11:11:16 GMT


     
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Subj:   Re: BMSMS
 
From:   Claybourne Barrineau

Just a side note, it would also be nice if the Optimizer considered using BMSMS when a logical 'Or' is specified in the filter. For example (based on the previous DDL):

SELECT
  A
FROM TEST_TABLE
WHERE C = DATE '2003-06-30'
  AND D in ('GB','FR');

Today, the Optimizer will never (not even if the statistics prove it to be optimal) consider using a BMSMS to resolve this query. It can only work when mulitple equalities are specified on columns (with NUSIs) from a single table.

My 2 Cents,

Clay



     
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