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https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-tables.html
For related information and examples, see Section 17.15, “InnoDB INFORMATION_SCHEMA Tables”. INFORMATION_SCHEMA InnoDB tables can be used to monitor ongoing InnoDB activity, to detect inefficiencies before they turn into issues, or to ...As your ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-firewall-tables.html
Note The Performance Schema tables described here are available as of MySQL 8.0.23. Prior to MySQL 8.0.23, use the corresponding INFORMATION_SCHEMA tables instead; see MySQL Enterprise Firewall Tables. The following sections describe the ...They ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-setup-tables.html
The setup tables provide information about the current instrumentation and enable the monitoring configuration to be changed. For this reason, some columns in these tables can be changed if you have the UPDATE privilege. The use of tables rather ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-mysql-cluster.html
You must also remember to account for any column indexes as follows: Each primary key or hash index created for an NDBCLUSTER table requires 21−25 bytes per record. Creating NDB Cluster tables with USING HASH for all primary keys and unique ...Can ... In the following section, we answer questions that are frequently asked about MySQL NDB Cluster and the NDB storage ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-dict-obj-tree.html
This means that you must know the name of any tablespace or log file group associated with a given table, or obtain this information from SHOW CREATE TABLE and then querying INFORMATION_SCHEMA.FILES, or similar means as shown here: mysql> SHOW ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-column-statistics-table.html
The COLUMN_STATISTICS table provides access to histogram statistics for column values. For information about histogram statistics, see Section 10.9.6, “Optimizer Statistics”, and Section 15.7.3.1, “ANALYZE TABLE Statement”. The ...You can ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-parameters-table.html
The PARAMETERS table provides information about parameters for stored routines (stored procedures and stored functions), and about return values for stored functions. The PARAMETERS table does not include built-in (native) functions or loadable ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-role-column-grants-table.html
The ROLE_COLUMN_GRANTS table (available as of MySQL 8.0.19) provides information about the column privileges for roles that are available to or granted by the currently enabled roles. The ROLE_COLUMN_GRANTS table has these columns: GRANTOR The user ...GRANTOR_HOST The host name part of the account that granted the ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tablespaces-extensions-table.html
The TABLESPACES_EXTENSIONS table (available as of MySQL 8.0.21) provides information about tablespace attributes defined for primary storage engines. The TABLESPACES_EXTENSIONS table has these columns: TABLESPACE_NAME The name of the tablespace.
https://dev.mysql.com/doc/refman/8.0/en/information-schema-view-routine-usage-table.html
The VIEW_ROUTINE_USAGE table (available as of MySQL 8.0.13) provides access to information about stored functions used in view definitions. The table does not list information about built-in (native) functions or loadable functions used in the ...