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https://dev.mysql.com/doc/refman/9.7/en/program-variables.html
Many MySQL programs have internal variables that can be set at runtime using the SET statement. See Section 15.7.6.1, “SET Syntax for Variable Assignment”, and Section 7.1.9, “Using System Variables”. Most of these program variables also ...
https://dev.mysql.com/doc/refman/9.7/en/replica-logs-status.html
A replica server creates two replication metadata repositories, the connection metadata repository and the applier metadata repository. If binary log file position based replication is in use, when the replica restarts, it reads the two ...
https://dev.mysql.com/doc/refman/9.7/en/replication-rbr-safe-unsafe.html
The “safeness” of a statement in MySQL replication refers to whether the statement and its effects can be replicated correctly using statement-based format. If this is true of the statement, we refer to the statement as safe; otherwise, we ...
https://dev.mysql.com/doc/refman/9.7/en/replication-threads-monitor-worker.html
On a multithreaded replica, the Performance Schema tables replication_applier_status_by_coordinator and replication_applier_status_by_worker show status information for the replica's coordinator thread and applier worker threads respectively. For a ...
https://dev.mysql.com/doc/refman/9.7/en/set.html
A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. SET column values that consist of multiple set members are specified with members ...
https://dev.mysql.com/doc/refman/9.7/en/show-processlist.html
SHOW [FULL] PROCESSLIST Important The INFORMATION SCHEMA implementation of SHOW PROCESSLIST is deprecated and subject to removal in a future MySQL release. It is recommended to use the Performance Schema implementation of SHOW PROCESSLIST instead.
https://dev.mysql.com/doc/refman/9.7/en/srjsapi-mysql.html
The following SQL built-in functions can be called directly from the mysql namespace. These are described in the following list, along with their analogous SQL functions: rand() (MySQL RAND()): Returns a random floating-point value v in the range 0 ...
https://dev.mysql.com/doc/refman/9.7/en/telemetry-metrics-meter-metrics.html
The following server metrics are registered by default: mysql.stats Metrics mysql.stats.com Metrics mysql.stats.connection Metrics mysql.perf_schema Metrics mysql.stats.handler Metrics mysql.stats.myisam Metrics mysql.stats.ssl Metrics mysql.inno ...
https://dev.mysql.com/doc/refman/9.7/en/audit-log-component-file-formats.html
The MySQL server calls the audit log component to write an audit record to its log file whenever an auditable event occurs. Typically the first audit record written after component startup contains the server description and startup options.
https://dev.mysql.com/doc/refman/9.7/en/audit-log-file-formats.html
Important The audit_log plugin is deprecated, and is being replaced by the audit_log component. Deprecation of the plugin means that you should expect the plugin to be removed in a future version of MySQL. For more information about the audit log ...