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https://dev.mysql.com/doc/refman/8.0/en/mysql-logging.html
The mysql client can do these types of logging for statements executed interactively: On Unix, mysql writes the statements to a history file. By default, this file is named .mysql_history in your home directory. To specify a different file, set the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-indexes-create.html
Indexes are used to find documents with specific field values quickly. Without an index, MySQL must begin with the first document and then read through the entire collection to find the relevant fields. If a collection is large and queries on a ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-documents-index.html
Indexes are used to find documents with specific field values quickly. Without an index, MySQL must begin with the first document and then read through the entire collection to find the relevant fields. If a collection is large and queries on a ...
https://dev.mysql.com/doc/refman/8.0/en/online-ddl-parallel-thread-configuration.html
The maximum setting is 256, which is the maximum number for all sessions. The actual number of threads that scan the clustered index is the number defined by the innodb_parallel_read_threads setting or the number of index subtrees to scan, whichever ...
https://dev.mysql.com/doc/refman/8.0/en/option-files.html
Most MySQL programs can read startup options from option files (sometimes called configuration files). Option files provide a convenient way to specify commonly used options so that they need not be entered on the command line each time you run a ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-limitations.html
This section discusses current restrictions and limitations on MySQL partitioning support. The following constructs are not permitted in partitioning expressions: Stored procedures, stored functions, loadable functions, or plugins. For a list of ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-error-log-table.html
Of the logs the MySQL server maintains, one is the error log to which it writes diagnostic messages (see Section 7.4.2, “The Error Log”). Typically, the server writes diagnostics to a file on the server host or to a system log service. As of ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-statements-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored statement event, so there is no system variable for configuring the table size. Of the tables that contain statement event rows, ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-status-by-worker-table.html
This table provides details of the transactions handled by applier threads on a replica or Group Replication group member. For a single-threaded replica, data is shown for the replica's single applier thread. For a multithreaded replica, data is ...
https://dev.mysql.com/doc/refman/8.0/en/point-in-time-recovery-binlog.html
This section explains the general idea of using the binary log to perform a point-in-time-recovery. The next section, Section 9.5.2, “Point-in-Time Recovery Using Event Positions”, explains the operation in details with an example. Note Many of ...