Subquery Factoring Clause has Poor Execution Plan After Upgrade to 12c Resulting in ORA-1652
Last updated on MARCH 23, 2018
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
- Query after upgrade to 22.214.171.124, errors with ORA-1652 with bad execution plan
- Query was tested with changing optimizer_feature_enabled parameter back to 11g, but query still fails
- Disabling adaptive features also fails
- Deleting statistics on the tables resolves the issue
Upgrade to 126.96.36.199.
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