Merge Statement With Unqualified Ambiguous Columns Does Not Raise ORA-918 And Updates No Rows
(Doc ID 1910098.1)
Last updated on FEBRUARY 26, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 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 Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
A merge command doesn't work when data exists in both the source and the target tables as in the following test:
>>>>>>>>>>>>>>> 0 row merged.
Notice that the merge does not qualify "c2" in the update/where clauses.
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