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

JSON enhancements functionalities

Oracle has been forced over time to adopt the new NoSQL trend because of the competition and also the fact that the concept of storage type document as JSON came to be much more practical at the management level; for some companies that have architectures such as big data, this became more of a constraint at the application level.

For these reasons, Oracle introduced for the first time in MySQL 5.7.8, the JSON data type, which is a type of specialized binary column, similar to a blob, but with additional features to optimize storage and recover the values of a JSON type column.

In the new version of MySQL 8.0, Oracle has added great features such as automatic validation, JSON document normalization, and automatic loading of values. There is also a restriction that must be taken into consideration, such as, for example, JSON columns that cannot...