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Message Posted: Thu, 23 Mar 2006 @ 11:04:52 GMT


     
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Subj:   Re: Performance issue on a huge table..
 
From:   Kenton Andersen

The PI is a hash index. It can locate a single value quickly but not a range of values. The optimizer is forced to a full table scan unless there is a value-ordered index.


Kenton Andersen



     
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