Merge Statement With Unqualified Ambiguous Columns Does Not Raise ORA-918 And Updates No Rows
Last updated on AUGUST 25, 2017
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 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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