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How Index Distribution Influences the MySQL Optimizer Query Plan (Doc ID 1327825.1)

Last updated on FEBRUARY 11, 2019

Applies to:

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

Goal

Learn how the data distribution in an index can influence the use on the index in MySQL.

Solution

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In this Document
Goal
Solution
 Index Cardinality
 How to Update the Index Statistics or Force a Particular Index to be Used:
 How to Use Index Hints:
 Examples of Using Index Hints
 Optimizer Hints
 Indexes and NULL values
 Footnotes
References


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