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.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

An Introduction to MYSQL 8

An Introduction to MYSQL 8

Overview of MySQL

Core features in MySQL

Improved features in MySQL 8

Benefits of using MySQL 8

Limitations of MySQL 8

Use cases of MySQL

Installing and Upgrading MySQL 8

Installing and Upgrading MySQL 8

The MySQL 8 installation process

Post-installation setup for MySQL 8

Upgrading MySQL 8

MySQL 8 downgrading

MySQL 8 – Using Programs and Utilities

MySQL 8 – Using Programs and Utilities

Overview of MySQL 8 programs

MySQL 8 command-line programs

MySQL 8 client programs

MySQL 8 administrative programs

MySQL 8 environment variables

MySQL GUI tools

MySQL 8 Data Types

MySQL 8 Data Types

Overview of MySQL 8 data types

Numeric data types

Date and time data types

String data types

Storage requirements for data types

Choosing the right data type for column

MySQL 8 Database Management

MySQL 8 Database Management

MySQL 8 server administration

The system database

Running multiple instances on a single machine

Components and plugin management

Roles and permissions

Caching techniques

MySQL 8 server logs

MySQL 8 Storage Engines

MySQL 8 Storage Engines

Overview of storage engines

Several types of storage engines

The InnoDB storage engine

Creating a custom storage engine

Indexing in MySQL 8

Indexing in MySQL 8

An overview on indexing

Column-level indexing

Index extension

Using an optimizer for indexes

Invisible and descending indexes

Replication in MySQL 8

Replication in MySQL 8

Overview of replication

Configuring replication

Implementing replication

Group replication

Replication solutions

Partitioning in MySQL 8

Partitioning in MySQL 8

Overview of partitioning

Types of partitioning

Partition management

Partition selection and pruning

Restrictions and limitations in partitioning

MySQL 8 – Scalability and High Availability

MySQL 8 – Scalability and High Availability

Overview of scalability and high availability in MySQL 8

Scaling MySQL 8

Challenges in scaling MySQL 8

Achieving high availability

MySQL 8 – Security

MySQL 8 – Security

Overview of security for MySQL 8

Common security issues

Access control in MySQL 8

Account management in MySQL 8

Encryption in MySQL 8

Security plugins

Optimizing MySQL 8

Optimizing MySQL 8

Overview of MySQL 8 optimization

Optimizing MySQL 8 servers and clients

Optimizing database structure

Optimizing queries

Optimizing tables

Leveraging buffering and caching

Extending MySQL 8

Extending MySQL 8

An overview of extending MySQL 8

Extending plugins and using services to call them

Adding new functions

Debugging and porting

MySQL 8 Best Practices and Benchmarking

MySQL 8 Best Practices and Benchmarking

MySQL benchmarking and tools

Best practices for memcached

Best practices for replication

Best practices for data partitioning

Best practices for queries and indexing

Troubleshooting MySQL 8

Troubleshooting MySQL 8

MySQL 8 common problems

MySQL 8 server errors

MySQL 8 client errors

MySQL 8 troubleshooting approach

Real-world scenario

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Implementing replication

The basis for replication is that the master database server keeps track of all the changes taking place on the master database. The changes are tracked in the binary log files in the form of events since the server was started. SELECT operations are not recorded as they modify neither the database nor the contents. Each of the REPLICATION SLAVE pull a copy of the binary log file from master instead of a master database pushing the log file to the slave. The slave in turn executes the events as it is read from the master's binary log file. This maintains the consistency between master and slave servers. In MySQL replication, each slave functions independently from master and other slave servers. So, it is up to the slave to request the master's binary log file at a convenient time without impacting the master or slave functioning.

The focus for...