The EXPLAIN Statement Triggers Warnings (Doc ID 2420988.1)

Last updated on FEBRUARY 28, 2020

Applies to:

MySQL Server - Version 5.5 and later
MySQL Cluster - Version 7.2 and later
Information in this document applies to any platform.

In MySQL 5.7 and later and in 5.6 and earlier using EXPLAIN EXTENDED, the EXPLAIN statement triggers one or more warnings. For example:

The warnings may start occurring after upgrading to MySQL 5.7 or later.

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In this Document

Symptoms

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