Book Image

MySQL 8 Cookbook

By : Karthik Appigatla
Book Image

MySQL 8 Cookbook

By: Karthik Appigatla

Overview of this book

MySQL is one of the most popular and widely used relational databases in the World today. The recently released MySQL 8 version promises to be better and more efficient than ever before. This book contains everything you need to know to be the go-to person in your organization when it comes to MySQL. Starting with a quick installation and configuration of your MySQL instance, the book quickly jumps into the querying aspects of MySQL. It shows you the newest improvements in MySQL 8 and gives you hands-on experience in managing high-transaction and real-time datasets. If you've already worked with MySQL before and are looking to migrate your application to MySQL 8, this book will also show you how to do that. The book also contains recipes on efficient MySQL administration, with tips on effective user management, data recovery, security, database monitoring, performance tuning, troubleshooting, and more. With quick solutions to common and not-so-common problems you might encounter while working with MySQL 8, the book contains practical tips and tricks to give you the edge over others in designing, developing, and administering your database effectively.
Table of Contents (20 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Index

Using binary logging


To enable binlog, you have to set log_bin and server_id and restart the server. You can mention the path and base name in the log_bin itself. For example, log_bin is set to /data/mysql/binlogs/server1, the binary logs are stored in the /data/mysql/binlogs folder with the name server1.000001, server1.000002, and so on. The server creates a new file in the series each time it starts or flushes the logs or the current log's size reaches max_binlog_size. It maintains the server1.index file, which contains the location of each binary log.

How to do it...

Let's see how to play with the logs. I am sure you are going to love learning about them.

Enabling binary logs

  1. Enable binary logging and set the server_id. Open the MySQL config file in your favorite editor and append the following lines. Choose server_id such that it will be unique to each MySQL server in your infrastructure. You can also simply put the log_bin variable in my.cnf without any value. In that case, the binary log...