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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The InnoDB storage engine

InnoDB is the most general-purpose storage engine and is the default engine in MySQL 8, providing high reliability and high performance .

The following are the key advantages offered by the InnoDB storage engine:

Its DML operations follows the ACID model and transactions have commit, rollback, and crash-recovery features to protect user data
Oracle-style gives consistent reads and row level locking increases the performance of multi-user concurrency
Each InnoDB table has a primary key index, known as the clustered index, that arranges data on the disk in order to optimize queries based on primary key and minimizes I/O during primary key lookups
By supporting foreign keys, inserts, deletes, and updates are checked, ensuring consistency across different tables in order to maintain data integrity

The following are the key benefits of using InnoDB tables...