Wrong duplicate rows are returned when containing IN or EXISTS subquery
(Doc ID 2643826.1)
Last updated on FEBRUARY 28, 2020
Applies to:Oracle Database - Standard Edition - Version 18.104.22.168 to 22.214.171.124.0 [Release 12.2 to 19]
Information in this document applies to any platform.
A query containing IN or EXISTS subquery returned a wrong result (duplicate rows).
If all of the following are met, you may be hitting <Bug 30391272>:
- IN or EXISTS subquery
- wrong result contains wrong duplicate rows
- Correct results return when there is "SORT UNIQUE" in the execution plan
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