You're reading from Advanced MySQL 8

Product typeBook

Published inJan 2019

Reading LevelIntermediate

Publisher

ISBN-139781788834445

Edition1st Edition

Languages

SQL

Tools

MySQL

Concepts

Database Administration

Authors (3):

Eric Vanier

Birju Shah

Tejaswi Malepati

View More author details

Applications of the data dictionary

In this section, we will explore and summarize the different uses of the data dictionary.

Previously, to prevent the creation and destruction of tables or databases:

It was necessary to enable the innodb_read_only variable for protection, which impacted only the InnoDB engine. Now, with MySQL version 8.0, all storage engines are affected.
One of the functionalities in MySQL 8.0 has been improved, the data dictionary tables are protected and not visible, and the INFORMATION_SCHEMA is more stable.
The tables of INFORMATION_SCHEMA are now connected directly to the data dictionary. This allows the optimizer to use indexes continuously live, resulting in better performance.
Before MySQL 8.0, we could use mysqldump and do a MySQL export scheme. This will now not be possible and the export action will be only on schemas and tables, and not systems...

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Advanced MySQL 8

Published in: Jan 2019Publisher: ISBN-13: 9781788834445

Authors (3)

Eric Vanier

Eric Vanier is one of the few DBAs worldwide specializing in MySQL performance, and is an expert with large architectures such as those for Air Miles, Cogeco, McGill University, Bombardier Aerospace, and many more. As a senior DBA and instructor for 18 years, he has a track record in performance and troubleshooting on dozens of high-profile MySQL systems, including complex cluster environments.
Read more about Eric Vanier

Birju Shah

Birju Shah is the principal architect for Endurance International Group. He has a bachelor's degree in computer engineering from Gujarat University. He has the experience and expertise to build scalable products for hosting domains. He is passionate about the latest architectural patterns, tools, and technologies, and he helps organizations to follow best practices. He is also passionate about technical training and sessions.
Read more about Birju Shah

Tejaswi Malepati

Tejaswi Malepati is the Cassandra Tech Lead for Target. He has been instrumental in designing and building custom Cassandra integrations, including a web-based SQL interface and data validation frameworks between Oracle and Cassandra. Tejaswi earned a master's degree in computer science from the University of New Mexico, and a bachelor's degree in electronics and communication from Jawaharlal Nehru Technological University in India. He is passionate about identifying and analyzing data patterns in datasets using R, Python, Spark, Cassandra, and MySQL.
Read more about Tejaswi Malepati

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