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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.

Symptoms

When running left join between two inner selects as shown below, the column "tall" in the second inner select isn't treated as NULL.

Cause

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In this Document
Symptoms
Cause
Solution
References


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