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https://dev.mysql.com/doc/refman/8.0/en/help.html
Its proper operation requires that the help tables in the mysql database be initialized with help topic information (see Section 7.1.17, “Server-Side Help Support”). HELP 'search_string' The HELP statement returns online information from the ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-firewall-table-reference.html
Table 28.9 INFORMATION_SCHEMA Firewall Tables Table Name Description Deprecated MYSQL_FIREWALL_USERS Firewall in-memory data for account profiles 8.0.26 MYSQL_FIREWALL_WHITELIST Firewall in-memory data for account profile allowlists 8.0.26 .
https://dev.mysql.com/doc/refman/8.0/en/information-schema-mysql-firewall-users-table.html
The MYSQL_FIREWALL_USERS table provides a view into the in-memory data cache for MySQL Enterprise Firewall. It is used in conjunction with the mysql.firewall_users system table that provides persistent storage of firewall data; see MySQL Enterprise ...It lists names and operational modes of registered firewall account ...As of MySQL 8.0.26, ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-mysql-firewall-whitelist-table.html
The MYSQL_FIREWALL_WHITELIST table provides a view into the in-memory data cache for MySQL Enterprise Firewall. It is used in conjunction with the mysql.firewall_whitelist system table that provides persistent storage of firewall data; see MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-parameters-table.html
SPECIFIC_SCHEMA The name of the schema (database) to which the routine containing the parameter belongs. The DATA_TYPE value is the type name only with no other information. The DATA_TYPE value is the type name only with no other information. The ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-st-geometry-columns-table.html
The ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. TABLE_SCHEMA The name of the schema (database) to which the table containing the column belongs. This table is based on the SQL/MM (ISO/IEC 13249-3) ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema.html
INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-key-types.html
The keyring encrypts and decrypts SECRET data as a byte stream upon storage and retrieval. Example keyring operations involving the SECRET key type: SELECT keyring_key_generate('MySecret1', 'SECRET', 20); SELECT keyring_key_remove('MySecret1'); ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-optimization.html
To coalesce fragmented rows and eliminate wasted space that results from deleting or updating rows, run myisamchk in recovery mode: $> myisamchk -r tbl_name You can optimize a table in the same way by using the OPTIMIZE TABLE SQL statement. This ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup.html
NDB 8.0 makes it possible to create backups using multiple LDMs to achieve parallelism on the data nodes. The next few sections describe how to prepare for and then to create an NDB Cluster backup using the functionality for this purpose found in ...To distinguish this type of backup from a backup made using mysqldump, we sometimes refer to it as a “native” NDB Cluster ...