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https://dev.mysql.com/doc/refman/8.4/en/information-schema-ndb-transid-mysql-connection-map-table.html
The ndb_transid_mysql_connection_map table provides a mapping between NDB transactions, NDB transaction coordinators, and MySQL Servers attached to an NDB Cluster as API nodes. This information is used when populating the server_operations and ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-thread-pool-table-reference.html
Table 28.7 INFORMATION_SCHEMA Thread Pool Tables Table Name Description TP_THREAD_GROUP_STATE Thread pool thread group states TP_THREAD_GROUP_STATS Thread pool thread group statistics TP_THREAD_STATE Thread pool thread information .
https://dev.mysql.com/doc/refman/8.4/en/information-schema-user-attributes-table.html
The USER_ATTRIBUTES table provides information about user comments and user attributes. The USER_ATTRIBUTES table has these columns: USER The user name portion of the account to which the ATTRIBUTE column value applies. The access control system ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-documents-in-tables.html
In MySQL, a table may contain traditional relational data, JSON values, or both. Examples in this section use the city table in the world_x schema. city Table Description The city table has five columns (or fields). You can combine traditional data ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-python-documents-in-tables.html
In MySQL, a table may contain traditional relational data, JSON values, or both. Examples in this section use the city table in the world_x schema. city Table Description The city table has five columns (or fields). You can combine traditional data ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-python-table-insert.html
You can use the insert() method with the values() method to insert records into an existing relational table. The insert() method accepts individual columns or all columns in the table. Insert a Complete Record To insert a complete record, pass to ...Use one or more values() methods to specify the values to be ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-many-tables.html
If you have configured non-persistent optimizer statistics (a non-default configuration), InnoDB computes index cardinality values for a table the first time that table is accessed after startup, instead of storing such values in the table. This ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-memory-tables.html
Consider using MEMORY tables for noncritical data that is accessed often, and is read-only or rarely updated. Benchmark your application against equivalent InnoDB or MyISAM tables under a realistic workload, to confirm that any additional ...On the ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-file-instances-table.html
The file_instances table lists all the files seen by the Performance Schema when executing file I/O instrumentation. When a file is deleted from the disk, it is also removed from the file_instances table. The file_instances table has these indexes: ...If a file on disk has never been opened, it is not shown in ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-keyring-component-status-table.html
The keyring_component_status table provides status information about the properties of the keyring component in use, if one is installed. The table is empty if no keyring component is installed (for example, if the keyring is not being used, or is ...