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https://dev.mysql.com/doc/refman/8.4/en/replication-asynchronous-connection-failover-replica.html
Asynchronous connection failover for replicas is activated automatically for a replication channel on a Group Replication primary when you set SOURCE_CONNECTION_AUTO_FAILOVER=1 in the CHANGE REPLICATION SOURCE TO statement for the channel. The ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-auto-increment.html
Statement-based replication of AUTO_INCREMENT, LAST_INSERT_ID(), and TIMESTAMP values is carried out subject to the following exceptions: A statement invoking a trigger or function that causes an update to an AUTO_INCREMENT column is not replicated ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-failover.html
There are a number of techniques when using MySQL Replication with Global Transaction Identifiers (GTIDs) for provisioning a new replica which can then be used for scaleout, being promoted to source as necessary for failover. Each identifier ...
https://dev.mysql.com/doc/refman/8.4/en/replication-rules-examples.html
If you use a combination of database-level and table-level replication filtering options, the replica first accepts or ignores events using the database options, then it evaluates all events permitted by those options according to the table options. It is also important to note that the results vary depending on whether the operation is logged using statement-based or row-based binary logging ...
https://dev.mysql.com/doc/refman/8.4/en/resignal.html
RESIGNAL may change some or all information before passing it on. RESIGNAL is related to SIGNAL, but instead of originating a condition as SIGNAL does, RESIGNAL relays existing condition information, possibly after modifying it. RESIGNAL makes it ...
https://dev.mysql.com/doc/refman/8.4/en/scheduler-component.html
Note The scheduler component is included in MySQL Enterprise Edition, a commercial product. The scheduler component provides an implementation of the mysql_scheduler service that enables applications, components, or plugins to configure, run, and ...
https://dev.mysql.com/doc/refman/8.4/en/sha256-pluggable-authentication.html
MySQL provides two authentication plugins that implement SHA-256 hashing for user account passwords: caching_sha2_password: Implements SHA-256 authentication (like sha256_password), but uses caching on the server side for better performance and has ...
https://dev.mysql.com/doc/refman/8.4/en/show-procedure-code.html
SHOW PROCEDURE CODE proc_name This statement is a MySQL extension that is available only for servers that have been built with debugging support. It displays a representation of the internal implementation of the named stored procedure. A similar ...
https://dev.mysql.com/doc/refman/8.4/en/source-installation-prerequisites.html
Some of these tools are needed no matter whether you use a standard source distribution or a development source tree. To install MySQL from source, the following system requirements must be satisfied, regardless of installation method: CMake, which ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-aggregate-functions.html
MySQL supports aggregate functions that perform a calculation on a set of values. For general information about these functions, see Section 14.19.1, “Aggregate Function Descriptions”. ST_Collect() can be used as a window function, as signified ...