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Message Posted: Wed, 12 May 2004 @ 20:32:53 GMT


     
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Subj:   Re: Feedback on Global Temporary Tables
 
From:   Hunt, Deborah J

Collecting statistics on materialized global temporary tables is one of the best features. If the table is used for "messy joins" as indicated in the earlier note, for selecting values in reports, or for ELT processing, collected statistics will significantly improve the performance.

When collecting statistics on materialized global temporary tables, you must use the wording "Collect statistics on temporary databasename.tablename ..." The syntax is the same except for the use of the word "temporary". If you are going to collect statistics at the table level, you will have to collect statistics on the table definition for statistics you want applied before the table is materialized.



     
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