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Message Posted: Thu, 03 May 2012 @ 16:56:34 GMT

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Single column index stats are stored in the same table as single column stats.

Multicolumn index stats are not, so there is a difference between stats on multiple columns and stats on a multi-column index.

This is why I always recommend using named indexes and collection on the named index. You cannot rely on column statistics to support your indexes.

Dave

David W. Roth
Senior Consultant
Teradata Certified Master

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