Subquery Factoring Clause has Poor Execution Plan After Upgrade to 12c Resulting in ORA-1652
Last updated on FEBRUARY 22, 2018
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
- Query after upgrade to 188.8.131.52, 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 184.108.40.206.
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