ORA-918 When Different Subquery Blocks Use The Same Aliases In 11gR2
(Doc ID 1494660.1)
Last updated on FEBRUARY 28, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
CT has upgraded their database from 10gR2 (10.2.0.2) to 220.127.116.11 and found a SQL with WITH clause returns ORA-918, but it worked fine on 10gR2.
It appears that this symptom is only reproducible on 11.2.0.* version.
Upgrade is done to 11.2
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