Book Image

Advanced MySQL 8

By : Eric Vanier, Birju Shah, Tejaswi Malepati
Book Image

Advanced MySQL 8

By: Eric Vanier, Birju Shah, Tejaswi Malepati

Overview of this book

Advanced MySQL 8 teaches you to enhance your existing database infrastructure and build various tools to improve your enterprise applications and overall website performance. The book starts with the new and exciting MySQL 8.0 features and how to utilize them for maximum efficiency. As you make your way through the chapters, you will learn to optimize MySQL performance using indexes and advanced data query techniques for large queries. You will also discover MySQL Server 8.0 settings and work with the MySQL data dictionary to boost the performance of your database. In the concluding chapters, you will cover MySQL 8.0 Group Replication, which will enable you to create elastic, highly available, and fault-tolerant replication topologies. You will also explore backup and recovery techniques for your databases and understand important tips and tricks to help your critical data reach its full potential. By the end of this book, you’ll have learned about new MySQL 8.0 security features that allow a database administrator (DBA) to simplify user management and increase the security of their multi-user environments.
Table of Contents (13 chapters)
11
Advanced MySQL Performance Tips and Techniques

MySQL Data Dictionary in MySQL 8.0

In previous chapters, you learned how to use indexes and optimize complex queries. Optimization will not be complete if we do not examine the MySQL server settings and the data dictionary. This chapter explains how to get optimal MySQL server 8.0 settings, and you will learn how to work with the MySQL data dictionary.

We will cover the following topics in this chapter:

  • The MySQL data dictionary structure in MySQL 8.0
  • The dictionary object cache
  • Transactional storage of the data dictionary
  • Different uses of the data dictionary
  • Removal of file-based metadata storage
  • Serialized Dictionary Information (SDI)
  • Limitations of the data dictionary