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https://dev.mysql.com/doc/refman/8.0/en/audit-log-file-reading.html
The plugin opens each remaining candidate file, verifies that the file actually contains JSON audit events, and sorts the files using the timestamps from the first event of each file. For example: [ { "timestamp": "2020-05-18 13:39:33", "id": 0, ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-options-variables.html
They can be changed dynamically at runtime using the SET statement, which enables you to modify operation of the server without having to stop and restart it. Setting a global system variable runtime value normally requires the ... This section ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-replication.html
To initiate replication, the binary logs required for the recipient to catch up to the donor must not be purged between the time that the data is cloned and the time that replication is started. A cloned instance should therefore be added to a ...In ...
https://dev.mysql.com/doc/refman/8.0/en/delete.html
To ensure that a given DELETE statement does not take too much time, the MySQL-specific LIMIT row_count clause for DELETE specifies the maximum number of rows to be deleted. For example, the following statement finds rows matching the WHERE clause, ... DELETE is a DML statement that removes rows from a ...
https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html
The size penalty for storing the hex string in a CHAR column is at least two times, up to eight times if the value is stored in a column that uses the utf8mb4 character set (where each character uses 4 bytes). PBKDF2 applies a pseudorandom function ...If you want to store these results, use a column with a VARBINARY or BLOB binary string data ...
https://dev.mysql.com/doc/refman/8.0/en/error-log-components.html
Whether the component can be listed multiple times in the log_error_services value. If log_sink_json is named multiple times in the log_error_services value, they all write to the console, which is likely not useful. As such, its behavior is subject ... This section describes the characteristics of individual error log ...
https://dev.mysql.com/doc/refman/8.0/en/error-log-rule-based-filtering.html
The count value indicates the permitted number of event occurrences to log per time window. The window_size value is the time window in seconds; if omitted, the default window is 60 seconds. The log_filter_dragnet log filter component enables log ...
https://dev.mysql.com/doc/refman/8.0/en/events-configuration.html
row *************************** Id: 1 User: root Host: localhost db: NULL Command: Query Time: 0 State: NULL Info: show processlist *************************** 2. row *************************** Id: 2 User: event_scheduler Host: localhost db: NULL ... Events are executed by a special event scheduler thread; when we refer to the Event Scheduler, we actually refer to this ...
https://dev.mysql.com/doc/refman/8.0/en/explain-output.html
The content of the derived table is rematerialized to bring it up to date each time a new row of t is processed by the top query. This eliminates the need to send nonmatching rows over the network, and can speed up such queries by a factor of 5 to ... The EXPLAIN statement provides information about how MySQL executes ...
https://dev.mysql.com/doc/refman/8.0/en/grant.html
This behavior is by design, and is intended to enable the database administrator to prepare user accounts and privileges for databases or tables that are to be created at a later time. [WITH GRANT OPTION] [AS user [WITH ROLE DEFAULT | NONE | ALL | ...