How the MySQL Optimizer Calculates the Cost of a Query (Doc ID 1327497.1)

Last updated on OCTOBER 15, 2017

Applies to:

MySQL Server - Version 4.0 and later
Information in this document applies to any platform.

Goal

Understand how MySQL optimizer calculates the cost of a query and how to analyze the output of EXPLAIN statements.

Solution

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