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https://dev.mysql.com/doc/connector-j/en/connector-j-query-attributes.html
Connector/J supports Query Attributes when it has been enabled on the server by installing the query_attributes component (see Prerequisites for Using Query Attributes for details). Attributes are set for a query by using the setAttribute() method ...
https://dev.mysql.com/doc/connector-j/en/connector-j-reference-dns-srv.html
Connector/J supports the use of DNS SRV records for connections. For information about DNS SRV support in MySQL, see Connecting to the Server Using DNS SRV Records. When multiple MySQL instances provide the same service for your applications, DNS ...
https://dev.mysql.com/doc/connector-j/en/connector-j-testing.html
The Connector/J source code repository or packages that are shipped with source code include an extensive test suite, containing test cases that can be executed independently. The test cases are divided into the following categories: Unit tests: ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-j2ee-concepts-connection-pooling.html
Connection pooling is a technique of creating and managing a pool of connections that are ready for use by any thread that needs them. Connection pooling can greatly increase the performance of your Java application, while reducing overall resource ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-j2ee-concepts-load-balancing-failover.html
Connector/J provides a useful load-balancing implementation for MySQL Cluster or multi-source deployments, as explained in Section 9.3, “Configuring Load Balancing with Connector/J” and Support for Multiple-Source Replication Topographies. This ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-spring-config-transactional.html
Spring allows us to add transactions into our code without having to deal directly with the JDBC classes. For that purpose, Spring provides a transaction management package that not only replaces JDBC transaction management, but also enables ...
https://dev.mysql.com/doc/refman/8.4/en/access-control.html
MySQL enables the creation of accounts that permit client users to connect to the server and access data managed by the server. The primary function of the MySQL privilege system is to authenticate a user who connects from a given host and to ...
https://dev.mysql.com/doc/refman/8.4/en/aggregate-functions-and-modifiers.html
They are often used with a GROUP BY clause to group values into subsets. For information about aggregate functions that operate on geometry values, see Section 14.16.12, “Spatial Aggregate Functions”.
https://dev.mysql.com/doc/refman/8.4/en/all-subqueries.html
The expression is TRUE if table t2 contains (-5,0,+5) because 10 is greater than all three values in t2. The expression is FALSE if table t2 contains (12,6,NULL,-100) because there is a single value 12 in table t2 that is greater than 10. The ...
https://dev.mysql.com/doc/refman/8.4/en/alter-instance.html
ALTER INSTANCE instance_action instance_action: { | {ENABLE|DISABLE} INNODB REDO_LOG | ROTATE INNODB MASTER KEY | ROTATE BINLOG MASTER KEY | RELOAD TLS [FOR CHANNEL {mysql_main | mysql_admin}] [NO ROLLBACK ON ERROR] | RELOAD KEYRING } ALTER ...