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https://dev.mysql.com/doc/refman/9.7/en/charset-unicode-sets.html
If you really want rows sorted by the MySQL rule and secondarily by code point value, it is easy: ORDER BY s1 COLLATE utf32_unicode_ci, s1 COLLATE utf32_bin For supplementary characters based on UCA versions higher than 4.0.0 (for example, ... This ...
https://dev.mysql.com/doc/refman/9.7/en/clone-plugin-failure-handling.html
The Clone idle timeout is set to the default wait_timeout setting, which is 28800 seconds (8 hours). This section describes failure handing at different stages of a cloning operation. If a failure occurs during the prerequisite check, the CLONE ...
https://dev.mysql.com/doc/refman/9.7/en/comments.html
In MySQL, the -- (double-dash) comment style requires the second dash to be followed by at least one whitespace or control character, such as a space or tab. MySQL Server supports three comment styles: From a # character to the end of the line.
https://dev.mysql.com/doc/refman/9.7/en/connecting-using-uri-or-key-value-pairs.html
connect-timeout: An integer value used to configure the number of seconds that clients, such as MySQL Shell, wait until they stop trying to connect to an unresponsive MySQL server. This section describes use of URI-like connection strings or ...
https://dev.mysql.com/doc/refman/9.7/en/connection-access.html
+----------------+----------+- The first row matches a connection by any user from h1.example.net, whereas the second row matches a connection by jeffrey from any host. When you attempt to connect to a MySQL server, the server accepts or rejects ...
https://dev.mysql.com/doc/refman/9.7/en/connection-control-component-configuration.html
component_connection_control.max_connection_delay: The maximum delay in milliseconds for connection failures above the threshold. component_connection_control.min_connection_delay: The minimum delay in milliseconds for connection failures above the ... The Connection Control component exposes the following system variables: component_connection_control.failed_connections_threshold: This is the number of consecutive failed connection attempts by a given account which are allowed before the server adds a delay for subsequent connection attempts by this ...
https://dev.mysql.com/doc/refman/9.7/en/connection-control-plugin-installation.html
connection_control_min_connection_delay: The minimum delay in milliseconds for connection failures above the threshold. connection_control_max_connection_delay: The maximum delay in milliseconds for connection failures above the threshold. The ...
https://dev.mysql.com/doc/refman/9.7/en/connection-options.html
This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are compressed. These options can be given on ...
https://dev.mysql.com/doc/refman/9.7/en/controlling-query-plan-evaluation.html
Because the difference in performance between “good” and “bad” plans can be orders of magnitude (that is, seconds versus hours or even days), most query optimizers, including that of MySQL, perform a more or less exhaustive search for an ...
https://dev.mysql.com/doc/refman/9.7/en/create-index.html
For more information, see Section 15.1.25.9, “Secondary Indexes and Generated Columns”. A multi-valued index is a secondary index defined on a column that stores an array of values. Because multi-valued indexes are virtual indexes on virtual ...