Expression Tracking Feature Cannot Be Turned Off By OPTIMIZER_FEATURES_ENABLE

(Doc ID 2340782.1)

Last updated on DECEMBER 18, 2017

Applies to:

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


According to Oracle Reference documentation, Expression Tracking feature is enabled only when OPTIMIZER_FEATURES_ENABLE parameter is set to

However, setting OPTIMIZER_FEATURES_ENABLE= or still collects expression tracking information into dba_expression_statistics.




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