Merge Statement With Unqualified Ambiguous Columns Does Not Raise ORA-918 And Updates No Rows

(Doc ID 1910098.1)

Last updated on AUGUST 25, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 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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