Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Advanced MySQL 8

You're reading from   Advanced MySQL 8 Discover the full potential of MySQL and ensure high performance of your database

Arrow left icon
Product type Paperback
Published in Jan 2019
Publisher
ISBN-13 9781788834445
Length 286 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Authors (3):
Arrow left icon
Birju Shah Birju Shah
Author Profile Icon Birju Shah
Birju Shah
Eric Vanier Eric Vanier
Author Profile Icon Eric Vanier
Eric Vanier
Tejaswi Malepati Tejaswi Malepati
Author Profile Icon Tejaswi Malepati
Tejaswi Malepati
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

Preface 1. Introduction 2. MySQL 8's New Features FREE CHAPTER 3. Indexing Your Data for High Performance 4. Advanced Data Techniques for Large Queries 5. MySQL Data Dictionary in MySQL 8.0 6. MySQL Server Settings 7. Group Replication in MySQL 8.0 8. InnoDB Cluster in MySQL 8.0 9. Monitoring Your Large Distributed Databases 10. Authentication and Security Management with MySQL 8.0 11. Advanced MySQL Performance Tips and Techniques 12. Other Books You May Enjoy

How to organize your columns in an index for good performance

In this section, we will specifically cover the order of the columns in a multi-column index or COMPOUND type. The order in which you will put your columns will allow you to have queries that perform. Now, in what order should we put them? It depends on how you are going to query your table with your queries. An index can be used to perform an exact search or filtering with the WHERE clause.

A specific search is when the values of all columns in the index are specified and the query uses exactly the same order.

We can say that this type of index is defined as follows:

index( col_A, col_B, col_C )

The advantage of a COMPOUND index is beneficial for a query if it uses these columns in joins, filtering, and sometimes in a particular selection. There will be other benefits for queries that use the left-most subset of columns...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at AU $24.99/month. Cancel anytime