Is Null Not Working As Expected With A Left Join And Derived Tables

(Doc ID 2304128.1)

Last updated on SEPTEMBER 05, 2017

Applies to:

MySQL Server - Version 5.7 and later
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.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms