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https://dev.mysql.com/doc/refman/9.7/en/miscellaneous-functions.html
The function return value and type are the same as the return value and type of its argument, but the function result is not checked for the ONLY_FULL_GROUP_BY SQL mode. As a result, the address value for rows within each name group is ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-config-send-buffers.html
The NDB kernel employs a unified send buffer whose memory is allocated dynamically from a pool shared by all transporters. This means that the size of the send buffer can be adjusted as necessary. Configuration of the unified send buffer can ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-error-messages.html
The error_messages table provides information about The error_messages table contains the following columns: error_code Numeric error code error_description Description of error error_status Error status code error_classification Error ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-processes.html
This table contains information about NDB Cluster node processes; each node is represented by the row in the table. Only nodes that are connected to the cluster are shown in this table. You can obtain information about nodes that are configured but ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-server-transactions.html
The server_transactions table is subset of the cluster_transactions table, but includes only those transactions in which the current SQL node (MySQL Server) is a participant, while including the relevant connection IDs. Together with the block ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-enterprise-audit.html
MySQL Enterprise Edition includes MySQL Enterprise Audit, implemented using a server plugin. MySQL Enterprise Audit uses the open MySQL Audit API to enable standard, policy-based monitoring and logging of connection and query activity executed on ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-enterprise-thread-pool.html
MySQL Enterprise Edition includes MySQL Enterprise Thread Pool, implemented using a server plugin. The default thread-handling model in MySQL Server executes statements using one thread per client connection. As more clients connect to the server ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-error-summary-tables.html
The Performance Schema maintains summary tables for aggregating statistical information about server errors (and warnings). For a list of server errors, see Server Error Message Reference. Collection of error information is controlled by the error ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-processlist-table.html
The MySQL process list indicates the operations currently being performed by the set of threads executing within the server. For a comparison of this table with other sources, see Sources of Process Information. If you have the PROCESS privilege, ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-stage-summary-tables.html
The Performance Schema maintains tables for collecting current and recent stage events, and aggregates that information in summary tables. Section 29.12.5, “Performance Schema Stage Event Tables” describes the events on which stage summaries ...