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https://dev.mysql.com/doc/heatwave/en/mys-hw-rpd-column-id-table.html
The rpd_column_id table provides information about columns of tables that are loaded in MySQL HeatWave. The rpd_column_id table has these columns: ID A unique identifier for the column. TABLE_ID The ID of the table to which the column belongs.
https://dev.mysql.com/doc/heatwave/en/mys-hw-rpd-nodes-table.html
The rpd_nodes read-only table provides information about MySQL HeatWave nodes. The table may not show the current status for a new node or newly configured node immediately. The rpd_nodes table is updated after the node has successfully joined the ...CORES The number of cores used by the MySQL HeatWave ...
https://dev.mysql.com/doc/refman/8.4/en/creating-many-tables.html
If you have many MyISAM tables in the same database directory, open, close, and create operations are slow. If you execute SELECT statements on many different tables, there is a little overhead when the table cache is full, because for every table ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-connection-control-failed-login-attempts-table.html
This table provides information about the current number of consecutive failed connection attempts per account (user/host combination). Notes The CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS plugin must be activated for this table to be available, and ...CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS has these columns: USERHOST The user/host combination indicating an account that has failed connection attempts, in 'user_name'@'host_name' ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-engines-table.html
The ENGINES table has these columns: ENGINE The name of the storage engine. SUPPORT The server's level of support for the storage engine, as shown in the following table. This is particularly useful for checking whether a storage engine is ...
https://dev.mysql.com/doc/refman/8.4/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 ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/information-schema-profiling-table.html
The table is empty unless the profiling session variable is set to 1. Note This table is deprecated; expect it to be removed in a future MySQL release. The PROFILING table has these columns: QUERY_ID A numeric statement identifier. Its contents ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-routines-table.html
The ROUTINES table provides information about stored routines (stored procedures and stored functions). The ROUTINES table does not include built-in (native) functions or loadable functions. The ROUTINES table has these columns: SPECIFIC_NAME The ...ROUTINE_CATALOG The name of the catalog to which the routine ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-schemata-table.html
A schema is a database, so the SCHEMATA table provides information about databases. The SCHEMATA table has these columns: CATALOG_NAME The name of the catalog to which the schema belongs. Caution Because any static global privilege is considered a ...The following statements are equivalent: SELECT SCHEMA_NAME AS `Database` FROM INFORMATION_SCHEMA.SCHEMATA [WHERE SCHEMA_NAME LIKE 'wild'] SHOW DATABASES [LIKE 'wild'] You see only those databases for which you have some kind of privilege, unless you have the global SHOW DATABASES ...