Why Is My Query Sometimes Slower Than Other Times with Higher Consistent Gets Although No Change in Execution Plan?

(Doc ID 1558349.1)

Last updated on MAY 23, 2017

Applies to:

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


A new query is tested on a test database. When the same query is tested in a production environment, the elapsed time is higher.


The procedures in package DBMS_XPLAN indicate no change in execution plan between the two environments.  The test environment is restored back-up of the production database with the same volume of data.


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