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https://dev.mysql.com/doc/refman/8.4/en/create-procedure.html
Declaring a nondeterministic routine as DETERMINISTIC might lead to unexpected results by causing the optimizer to make incorrect execution plan choices. By default, a stored routine is associated with the default database. To associate the routine ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-event-fields.html
Debugging information: source_file The source file in which the event occurred, without any leading path. 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 ...
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
source_file The source file in which the event occurred, without any leading path. 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 ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-syslog.html
If defined, the tag is appended to the identifier with a leading hyphen. 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 ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-general.html
However, mysqld is multithreaded and some process-reporting system utilities display separate entries for each thread of multithreaded processes, which may lead to the appearance of multiple mysqld processes when in fact there is only one. Why did ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-triggers.html
This is because, if both the source and the replica applied the changes from the source and, in addition, the trigger causing these changes were applied on the replica, the changes would in effect be applied twice on the replica, leading to ...Where ...
https://dev.mysql.com/doc/refman/8.4/en/federated-usagenotes.html
In addition, since returned rows must be stored in memory, such a query can also lead to the local server swapping, or even hanging. The following items indicate features that the FEDERATED storage engine does and does not support: The remote server ...
https://dev.mysql.com/doc/refman/8.4/en/floating-point-types.html
Because floating-point values are approximate and not stored as exact values, attempts to treat them as exact in comparisons may lead to problems. The FLOAT and DOUBLE types represent approximate numeric data values. MySQL uses four bytes for ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-configuring-online-group.html
A group which is executing a configuration change cannot accept any other group configuration change, because concurrent configuration operations could lead to member divergence. You can configure an online group while Group Replication is running ...