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https://dev.mysql.com/doc/refman/9.7/en/grant-tables.html
The mysql system database includes several grant tables that contain information about user accounts and the privileges held by them. For information about other tables in the system database, see Section 7.3, “The mysql System Schema”. The ...
https://dev.mysql.com/doc/refman/9.7/en/information-schema-columns-table.html
The related ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. The COLUMNS table has these columns: TABLE_CATALOG The name of the catalog to which the table containing the column belongs. TABLE_SCHEMA The ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-buffer-pool-tables.html
The InnoDB INFORMATION_SCHEMA buffer pool tables provide buffer pool status information and metadata about the pages within the InnoDB buffer pool. The InnoDB INFORMATION_SCHEMA buffer pool tables include those listed below: mysql> SHOW TABLES FROM ...
https://dev.mysql.com/doc/refman/9.7/en/jdv-requirements.html
Review the following requirements and restrictions for table annotations and DML operations on JSON duality views. Requirements and Restrictions for Insert Annotations The root object and sub-objects of a document must have the INSERT annotation.
https://dev.mysql.com/doc/refman/9.7/en/json-utility-functions.html
This section documents utility functions that act on JSON values, or strings that can be parsed as JSON values. JSON_PRETTY() prints out a JSON value in a format that is easy to read. JSON_STORAGE_SIZE() and JSON_STORAGE_FREE() show, respectively, ...
https://dev.mysql.com/doc/refman/9.7/en/keyring-service.html
MySQL Server supports a keyring service that enables internal components and plugins to securely store sensitive information for later retrieval. MySQL distributions provide a keyring interface that is accessible at two levels: At the SQL level, as ...
https://dev.mysql.com/doc/refman/9.7/en/limit-optimization.html
If you need only a specified number of rows from a result set, use a LIMIT clause in the query, rather than fetching the whole result set and throwing away the extra data. MySQL sometimes optimizes a query that has a LIMIT row_count clause and no ...
https://dev.mysql.com/doc/refman/9.7/en/locking-service.html
MySQL distributions provide a locking interface that is accessible at two levels: At the SQL level, as a set of loadable functions that each map onto calls to the service routines. As a C language interface, callable as a plugin service from server ...
https://dev.mysql.com/doc/refman/9.7/en/myisamchk-table-info.html
To obtain a description of a MyISAM table or statistics about it, use the commands shown here. The output from these commands is explained later in this section. myisamchk -d tbl_name Runs myisamchk in “describe mode” to produce a description ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-config.html
This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: an NDB Cluster management node, or its config.ini or my.cnf file. By default, the management node is the source for the ...