https://dev.mysql.com/error-log-destination-configuration.html
This is true even for writers such as log_sink_json that can be enabled multiple times; all instances write to the console. This section discusses which server options configure the default error log destination, which can be the console or a named ...
https://dev.mysql.com/error-log-rule-based-filtering.html
In subsequent rules, EXISTS tests against the field name are true, and the new value can be tested by comparison conditions. The log_filter_dragnet log filter component enables log filtering based on user-defined rules. To enable the ...
https://dev.mysql.com/events-waits-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored wait event, so there is no system variable for configuring the table size. Of the tables that contain wait event rows, events_waits_current is the ...
https://dev.mysql.com/explain-extended.html
<if>(condition, expr1, expr2) If the condition is true, evaluate to expr1, otherwise expr2. The EXPLAIN statement produces extra (“extended”) information that is not part of EXPLAIN output but can be viewed by issuing a SHOW WARNINGS statement ...
https://dev.mysql.com/expressions.html
This section lists the grammar rules that expressions must follow in MySQL and provides additional information about the types of terms that may appear in expressions. Expression Syntax Expression Term Notes Temporal Intervals The following grammar ...
https://dev.mysql.com/external-locking.html
The same is true for use of myisampack to pack MyISAM tables. External locking is the use of file system locking to manage contention for MyISAM database tables by multiple processes. External locking is used in situations where a single process ...
https://dev.mysql.com/firewall-reference.html
For example, if the account was in PROTECTING mode, that is no longer true after calling sp_reload_firewall_rules() and you must set it to PROTECTING again explicitly. The following discussion serves as a reference to MySQL Enterprise Firewall ...
https://dev.mysql.com/firewall-usage.html
Before using MySQL Enterprise Firewall, install it according to the instructions provided in Section 6.4.7.2, “Installing or Uninstalling MySQL Enterprise Firewall”. Also, MySQL Enterprise Firewall does not work together with the query cache; ...
https://dev.mysql.com/fulltext-natural-language.html
The MySQL FULLTEXT implementation regards any sequence of true word characters (letters, digits, and underscores) as a word. By default or with the IN NATURAL LANGUAGE MODE modifier, the MATCH() function performs a natural language search for a ...
https://dev.mysql.com/function-optimization.html
A function is nondeterministic if, given fixed values for its arguments, it can return different results for different invocations. If a function is tagged nondeterministic, a reference to it in a WHERE clause is evaluated for every row (when ...
