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https://dev.mysql.com/doc/refman/8.4/en/access-control.html
For example: SHOW GRANTS FOR 'joe'@'office.example.com'; SHOW GRANTS FOR 'joe'@'home.example.com'; Internally, the server stores privilege information in the grant tables of the mysql system database. The MySQL server reads the contents of these ...
https://dev.mysql.com/doc/refman/8.4/en/account-names.html
MySQL stores account names in grant tables in the mysql system database using separate columns for the user name and host name parts: The user table contains one row for each account. Other grant tables indicate privileges an account has for ...
https://dev.mysql.com/doc/refman/8.4/en/create-server.html
The CREATE SERVER statement creates a new row in the servers table in the mysql database. The CREATE SERVER statement creates an entry in the mysql.servers table that can later be used with the CREATE TABLE statement when creating a FEDERATED table.
https://dev.mysql.com/doc/refman/8.4/en/fulltext-restrictions.html
Full-text searches are supported for InnoDB and MyISAM tables only. A character-based ngram full-text parser that supports Chinese, Japanese, and Korean (CJK), and a word-based MeCab parser plugin that supports Japanese are provided for use with ...
https://dev.mysql.com/doc/refman/8.4/en/function-loading.html
It registers the function in the mysql.func system table to make it persistent across server restarts. It adds the function to the Performance Schema user_defined_functions table that provides runtime information about installed loadable functions.
https://dev.mysql.com/doc/refman/8.4/en/identifier-mapping.html
There is a correspondence between database and table identifiers and names in the file system. For the basic structure, MySQL represents each database as a directory in the data directory, and depending upon the storage engine, each table may be ...
https://dev.mysql.com/doc/refman/8.4/en/identifiers.html
Certain objects within MySQL, including database, table, index, column, alias, view, stored procedure, partition, tablespace, resource group and other object names are known as identifiers. Use of the dollar sign as the first character in the ...
https://dev.mysql.com/doc/refman/8.4/en/index-extensions.html
Consider this table definition: CREATE TABLE t1 ( i1 INT NOT NULL DEFAULT 0, i2 INT NOT NULL DEFAULT 0, d DATE DEFAULT NULL, PRIMARY KEY (i1, i2), INDEX k_d (d) ) ENGINE = InnoDB; This table defines the primary key on columns (i1, i2). row ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-backup.html
Hot Backups The mysqlbackup command, part of the MySQL Enterprise Backup component, lets you back up a running MySQL instance, including InnoDB tables, with minimal disruption to operations while producing a consistent snapshot of the database. When ... The key to safe database management is making regular ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-system-tablespace.html
General tablespaces are multi-table tablespaces that can also be used as an alternative to the system tablespace. The system tablespace is the storage area for the change buffer. It may also contain table and index data if tables are created in the ...To do so, specify the autoextend attribute for the last data file in the innodb_data_file_path setting, and restart the ...