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 220.127.116.11 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.
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms