How To Use the Optimizer Trace Feature in MySQL 5.6 and Later to Investigate Why a Given Query Plan Was Chosen?
Last updated on DECEMBER 27, 2017
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.
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