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https://dev.mysql.com/doc/refman/8.4/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/8.4/en/performance-schema-setup-metrics-table.html
The setup_metrics table lists the available metrics: mysql> select * from performance_schema.setup_metrics\G *************************** 34. row *************************** NAME: undo_tablespaces_active METER: mysql.inno METRIC_TYPE: ASYNC GAUGE ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/mysql-cluster-programs-ndb-desc.html
ndb_desc provides a detailed description of one or more NDB tables. The Version column in the output contains the table's schema object version. Three of the table properties that can be set using NDB_TABLE comments embedded in CREATE TABLE and ...
https://dev.mysql.com/doc/refman/8.4/en/privileges-provided.html
Privileges for database objects such as tables, indexes, views, and stored routines can be granted for specific objects within a database, for all objects of a given type within a database (for example, all tables in a database), or globally for all ... The privileges granted to a MySQL account determine which operations the account can ...
https://dev.mysql.com/doc/internals/en/closing-a-table.html
When the MySQL server is finished with a table, it will call the [custom-engine.html#custom-engine-api-reference-close close()] method to close file pointers and release any other resources.
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-loading-data-uri.html
As of MySQL 9.3.1, and only on MySQL HeatWave on OCI, you can use uniform resource identifiers (URI) to specify files for loading data when creating external tables manually. Review the following examples for different ways to create external ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-rpd-exec-stats-table.html
The rpd_exec_stats table stores query execution statistics produced by MySQL HeatWave nodes in JSON format. One row of execution statistics is stored for each node that participates in the query. For MySQL HeatWave AutoML routines that include ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-rpd-query-stats-table.html
The rpd_query_stats table stores query compilation and execution statistics produced by the MySQL HeatWave plugin in JSON format. The rpd_query_stats table has these columns: CONNECTION_ID The ID of the connection. For MySQL HeatWave AutoML ...
https://dev.mysql.com/doc/refman/8.4/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 ...