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https://dev.mysql.com/doc/refman/8.4/en/connection-interfaces.html
This section describes aspects of how the MySQL server manages client connections. Network Interfaces and Connection Manager Threads Client Connection Thread Management Connection Volume Management Network Interfaces and Connection Manager Threads ...
https://dev.mysql.com/doc/refman/8.4/en/create-index.html
CREATE [UNIQUE | FULLTEXT | SPATIAL] INDEX index_name [index_type] ON tbl_name (key_part,...) [index_option] [algorithm_option | lock_option] ... This guideline is especially important for InnoDB tables, where the primary key determines the ...
https://dev.mysql.com/doc/refman/8.4/en/create-procedure.html
By default, a stored routine is associated with the default database. To associate the routine explicitly with a given database, specify the name as db_name.sp_name when you create it. The CREATE FUNCTION statement is also used in MySQL to support ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-event-fields.html
Error events intended for the error log contain a set of fields, each of which consists of a key/value pair. An event field may be classified as core, optional, or user-defined: A core field is set up automatically for error events. However, its ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-priority-based-filtering.html
The log_filter_internal log filter component implements a simple form of log filtering based on error event priority and error code. To affect how log_filter_internal permits or suppresses error, warning, and information events intended for the ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-rule-based-filtering.html
The log_filter_dragnet log filter component enables log filtering based on user-defined rules. To enable the log_filter_dragnet filter, first load the filter component, then modify the log_error_services value. The following example enables ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-syslog.html
It is possible to have mysqld write the error log to the system log (the Event Log on Windows, and syslog on Unix and Unix-like systems). This section describes how to configure error logging using the built-in filter, log_filter_internal, and the ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-general.html
Why did MySQL version numbering skip versions 6 and 7 and go straight to 8.0? A.1.3. Does MySQL have a NOW() function with fractions of seconds? A.1.7. Which version of MySQL is production-ready (GA)? MySQL 9.5, 8.4, and 8.0 are actively supported ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-triggers.html
Where can I find the documentation for MySQL 8.4 triggers? A.5.2. Is there a way to view all triggers in a given database? A.5.7. Can a table have multiple triggers with the same trigger event and action time? A.5.11. Is it possible for a trigger to ...
https://dev.mysql.com/doc/refman/8.4/en/federated-usagenotes.html
The following items indicate features that the FEDERATED storage engine does and does not support: The remote server must be a MySQL server. The remote table that a FEDERATED table points to must exist before you try to access the table through the ...