Queries Referencing Tables Reorganized Using the DBMS_REDEFINITION Package have Changed Plans and Degraded in Performance. (Doc ID 1966819.1)

Last updated on APRIL 11, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

Changes

DBMS_REDEFINITION was used to reorganize one or more tables.  Statistics were regathered on the intermediate table before finishing the reorganization, or were regathered on the redefined table immediately after the reorganization was complete.

Cause

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