How to Gather Optimizer Statistics for an ON COMMIT DELETE ROWS Temporary Table (Doc ID 403587.1)

Last updated on DECEMBER 16, 2006

Applies to:

Oracle Server - Enterprise Edition - Version: 9.0.1 to 10.2.0
This problem can occur on any platform.

Symptoms

Optimizer statistics cannot be gathered for ON COMMIT DELETE ROWS global temporary tables.

Such statistics, reflecting a representative volume of data from such a table, may often be needed in order to get good execution plans. The Optimizer Dynamic Sampling feature may not always suffice for this requirement.


Cause

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