Last updated on JUNE 26, 2017
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2 to 12.2]
Information in this document applies to any platform.
Merge statement cannot use HASH JOIN OUTER when there are multiple filter predicates in the join clause. There is an OR operator between those predicates.
Nested loop join is used instead which makes the statement never ending.
The problem manifests as well with UPDATE and DELETE.
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