Is Null Not Working As Expected With A Left Join And Derived Tables
(Doc ID 2304128.1)
Last updated on FEBRUARY 20, 2019
Applies to:MySQL Server - Version 5.7 to 5.7 [Release 5.7]
Information in this document applies to any platform.
When running left join between two inner selects as shown below, the column "tall" in the second inner select isn't treated as NULL.
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