Wrong result in quere with multiple union all
(Doc ID 2757325.1)
Last updated on MARCH 08, 2021
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 12.1]
Information in this document applies to any platform.
SQL query contains that four select statements with "UNION ALL", the fourth select return no value.
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