Search Results
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-loading-unloading-heatwave.html
The query results, which are displayed in a Query Results pane similar to the one described in Running Queries. Loading or Unloading Data into MySQL HeatWave Cluster 9.1 Loading or Unloading Data into MySQL HeatWave Cluster Use MySQL HeatWave ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-refreshing-lakehouse-data.html
The query results, which are displayed in a Query Results pane similar to the one described in Running Queries. Refreshing Lakehouse Data 9.3 Refreshing Lakehouse Data The MySQL HeatWave Lakehouse tables contain a snapshot of your data in Amazon S3 ...
https://dev.mysql.com/doc/connector-j/en/connector-j-config-failover.html
The failover support is configured by the following connection properties (their functions are explained in the paragraphs below): failOverReadOnly secondsBeforeRetrySource queriesBeforeRetrySource retriesAllDown autoReconnect autoReconnectForPools ...A failover happens when connection-related errors occur for an underlying, active ...
https://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
You must read all of the rows in the result set (or close it) before you can issue any other queries on the connection, or an exception will be thrown. MySQL Connector/J, as a rigorous implementation of the JDBC API, passes all of the tests in the ...
https://dev.mysql.com/doc/connector-j/en/connector-j-time-instants.html
Connector/J then queries the value of the session time zone from the server, and converts the event timestamps between the session time zone and the JVM time zone. Background A time instant is a specific moment on a time-line. A time instant is ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-j2ee-concepts-connection-pooling.html
Many of these resources will be used whether or not the connection is actually doing any useful work! Connection pools can be tuned to maximize performance, while keeping resource utilization below the point where your application will start to fail ... Connection pooling is a technique of creating and managing a pool of connections that are ready for use by any thread that needs ...
https://dev.mysql.com/doc/refman/8.4/en/analyze-table.html
In the few cases that ANALYZE TABLE does not produce values good enough for your particular tables, you can use FORCE INDEX with your queries to force the use of a particular index, or set the max_seeks_for_key system variable to ensure that MySQL ...ANALYZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE tbl_name UPDATE HISTOGRAM ON col_name [, col_name] ...
https://dev.mysql.com/doc/refman/8.4/en/ansi-diff-foreign-keys.html
For example, if you define a RESTRICT type constraint, and there is a child row with several parent rows, InnoDB does not permit the deletion of any of the parent rows. This means that you cannot use self-referential ON UPDATE CASCADE or ON UPDATE ...
https://dev.mysql.com/doc/refman/8.4/en/audit-log-reference.html
audit_log_policy Command-Line Format --audit-log-policy=value Deprecated Yes System Variable audit_log_policy Scope Global Dynamic No SET_VAR Hint Applies No Type Enumeration Default Value ALL Valid Values ALLLOGINSQUERIESNONE Note This deprecated ...Unless those objects are installed, the audit_log plugin operates in (deprecated) legacy ...
https://dev.mysql.com/doc/refman/8.4/en/bug-reports.html
Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: Start by searching the MySQL online manual at https://dev.mysql.com/doc/. We try to keep the manual up to date by updating ...