How To Use the Optimizer Trace Feature in MySQL 5.6 and Later to Investigate Why a Given Query Plan Was Chosen?
(Doc ID 2241524.1)
Last updated on MARCH 05, 2020
Applies to:MySQL Server - Version 5.6 and later
MySQL Cluster - Version 7.3 and later
Information in this document applies to any platform.
Investigate why the optimizer chose a given execution plan for a query.
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