MySQL 8.0 Release Notes
MySQL 8.0 Source Code Documentation
- 13.7.1.1 ALTER USER Statement
- 13.7.1.2 CREATE ROLE Statement
- 13.7.1.3 CREATE USER Statement
- 13.7.1.4 DROP ROLE Statement
- 13.7.1.5 DROP USER Statement
- 13.7.1.6 GRANT Statement
- 13.7.1.7 RENAME USER Statement
- 13.7.1.8 REVOKE Statement
- 13.7.1.9 SET DEFAULT ROLE Statement
- 13.7.1.10 SET PASSWORD Statement
- 13.7.1.11 SET ROLE Statement
MySQL account information is stored in the tables of the
mysql system schema. This database and the
access control system are discussed extensively in
Chapter 5, MySQL Server Administration, which you should consult
for additional details.
Important
Some MySQL releases introduce changes to the grant tables to add new privileges or features. To make sure that you can take advantage of any new capabilities, update your grant tables to the current structure whenever you upgrade MySQL. See Section 2.11, “Upgrading MySQL”.
When the read_only system
variable is enabled, account-management statements require the
CONNECTION_ADMIN privilege (or the
deprecated SUPER privilege), in
addition to any other required privileges. This is because they
modify tables in the mysql system schema.
Account management statements are atomic and crash safe. For more information, see Section 13.1.1, “Atomic Data Definition Statement Support”.