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Non-optimal Index Chosen Depending on Index Declaration Order (Doc ID 2934228.1)

Last updated on MARCH 09, 2023

Applies to:

MySQL Server - Version 8.0 and later
Information in this document applies to any platform.

Symptoms


The location of the index in the table definition makes a difference to whether it's chosen or not..

Here the best index is getting picked because it's declared first:

 

 

 

 

Changes

 Dropped and added an index,  so that the position changed in the table declaration.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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