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UPDATE Statement With Sub Queries Slow In 5.7 (Doc ID 2751898.1)

Last updated on MARCH 23, 2021

Applies to:

MySQL Server - Version 5.7 to 5.7 [Release 5.7]
Information in this document applies to any platform.

Symptoms

 Update statement with Subqueries is slow on 5.7.

 For example, the execution plan for a select query:

 

Changes

 Running update statements with Subqueries in 5.7.29 and before.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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