Select For Update Statement With a Subquery Returns Wrong Results
(Doc ID 2277991.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
A Select for update statement with a subquery returns wrong result after waiting for update statement to commit.
The problem can be demonstrated in the Example test case below: (Select for update in Session 2 returns 1 (wrong result) instead of 2 (correct result).
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