SQL Tuning Sets Are Being Removed Automatically.
(Doc ID 2784424.1)
Last updated on JULY 08, 2021
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
Loading sql tuning sets (STS) into the database everyday and it seems that nightly, the tuning set data is being removed. After loading the STS they are present when querying dba_sqlset_statements for the sql information, but then the next day, the information is gone. In dba_sqlset, the tuning set is stated as existing, so it appearS that the sql statement data has been removed, but the main sql set information has not.
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