Book Image

MySQL 8 Administrator???s Guide

By : Chintan Mehta, Ankit K Bhavsar, Hetal Oza, Subhash Shah
Book Image

MySQL 8 Administrator???s Guide

By: Chintan Mehta, Ankit K Bhavsar, Hetal Oza, Subhash Shah

Overview of this book

MySQL is one of the most popular and widely used relational databases in the world today. The recently released version 8.0 brings along some major advancements in the way your MySQL solution can be administered. This handbook will be your companion to understand the newly introduced features in MySQL and show you how you can leverage them to design a high-performance MySQL solution for your organization. This book starts with a brief introduction to the new features in MySQL 8, and then quickly jumping onto the crucial administration topics that you will find useful in your day-to-day work. Topics such as migrating to MySQL 8, MySQL benchmarking, achieving high performance by implementing the indexing techniques, and optimizing your queries are covered in this book. You will also learn how to perform replication, scale your MySQL solution and implement effective security techniques. There is also a special section on the common and not so common troubleshooting techniques for effective MySQL administration is also covered in this book. By the end of this highly practical book, you will have all the knowledge you need to tackle any problem you might encounter while administering your MySQL solution.
Table of Contents (17 chapters)

Partition selection and pruning

In this section, you will see how partitioning can optimize SQL statements clause execution with the optimizer known as partition pruning, and the use of SQL statements to effectively use partition data for selection and perform modification operations on the partitioning.

Partition pruning

Partition pruning is related to the optimization concept in partition. In partition pruning the concept described as Do not scan partitions where no possible matching values can be present is applied based on the query statements.

Suppose there is a partitioned table, tp1, created with the following statement:

CREATE TABLE tp1 (
first_name VARCHAR (30) NOT NULL,
last_name VARCHAR (30) NOT NULL,
zone_code...