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MySQL 8 Cookbook

You're reading from  MySQL 8 Cookbook

Product type Book
Published in Jan 2018
Publisher
ISBN-13 9781788395809
Pages 446 pages
Edition 1st Edition
Languages
Author (1):
Karthik Appigatla Karthik Appigatla
Profile icon Karthik Appigatla
Toc

Table of Contents (20) Chapters close

Title Page
Dedication
Packt Upsell
Contributors
Preface
1. MySQL 8 - Installing and Upgrading 2. Using MySQL 3. Using MySQL (Advanced) 4. Configuring MySQL 5. Transactions 6. Binary Logging 7. Backups 8. Restoring Data 9. Replication 10. Table Maintenance 11. Managing Tablespace 12. Managing Logs 13. Performance Tuning 14. Security Index

Introduction


The binary log contains a record of all changes to the database, both data and structure. The binary log is not used for statements such as SELECT or SHOW that do not modify data. Running a server with binary logging enabled has a slight performance effect. The binary log is crash-safe. Only complete events or transactions are logged or read back.

Why should you use binary log?

  • Replication: You stream the changes made to a server to another server using binary logs. The slave acts as a mirror copy and can be used to distribute the load. The server that accepts the writes is referred to as a master and the mirror copy server is referred to as a slave.
  • Point-in-time recovery: Suppose you take a backup at 00:00 on Sunday and your database crashed at 8:00 on Sunday. Using backup, you can recover till 00:00 Sunday. Using binary logs you can reply to them, to recover till 08:00.
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