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https://dev.mysql.com/doc/internals/en/x-protocol-lifecycle-lifecycle.html
Note Disabling TLS on a connection may not be supported by the server and should result in an error. Topics in this section: Connection Session Stages of Session Setup Authentication Pipelining Max Message Length Extensions The following list ...
https://dev.mysql.com/doc/refman/8.4/en/events-metadata.html
The session time zone that is current when a CREATE EVENT or ALTER EVENT statement executes is used to interpret times specified in the event definition. This becomes the event time zone (ETZ); that is, the time zone that is used for event ...Event ... To obtain metadata about events: Query the EVENTS table of the INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/internals/en/innodb-mutex-rwlock-implementation.html
In MySQL and InnoDB, multiple threads of execution access shared data structures. Each operation to acquire or release a lock can be done in fewer CPU instructions, wasting less time when threads contend for access to shared data structures. InnoDB ...
https://dev.mysql.com/doc/workbench/en/wb-tutorial-visual-explain-dbt3.html
An estimated 18 rows are both scanned and returned, and the execution time of the query example is 0.234 seconds as the next Visual Explain and Tabular Explain figures show. SELECT * FROM orders WHERE YEAR(o_orderdate) = 1992 AND MONTH(o_orderdate) ... This tutorial describes how to use Explain reports to locate and fix problematic (slow) ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-using-an-anomaly-detection-model.html
If enabled, summaries are generated for log segments that are labeled as an anomaly or exceed the value set for the summary_threshold. If a value is set for summary_threshold, any non-anomaly rows that exceed the value of the summary_threshold. Note ...To generate predictions, use the sample data from the two anomaly detection datasets: credit_card_train and ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-using-an-anomaly-detection-model.html
If enabled, summaries are generated for log segments that are labeled as an anomaly or exceed the value set for the summary_threshold. If a value is set for summary_threshold, any non-anomaly rows that exceed the value of the summary_threshold. Note ...To generate predictions, use the sample data from the two anomaly detection datasets: credit_card_train and ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-waiter.html
ndb_waiter repeatedly (each 100 milliseconds) prints out the status of all cluster data nodes until either the cluster reaches a given status or the --timeout limit is exceeded, then exits. --connect-retries Command-Line Format --connect-retries=# ...--core-file Command-Line Format --core-file Write core file on error; used in ...By default, it waits for the cluster to ...
https://dev.mysql.com/doc/connectors/en/connector-python-connectargs.html
This option can be a callable object or a string path that the connector can import in runtime and execute. This option can be a callable object or a string path that the connector can import in runtime and execute. read_timeout None Time limit to ...init_command Command (SQL query) executed immediately after the connection is established as part of the initialization ... A connection with the MySQL server can be established using either the mysql.connector.connect() function or the mysql.connector.MySQLConnection() class: cnx = mysql.connector.connect(user='joe', database='test') cnx = ...
https://dev.mysql.com/doc/connector-python/en/connector-python-connectargs.html
This option can be a callable object or a string path that the connector can import in runtime and execute. This option can be a callable object or a string path that the connector can import in runtime and execute. read_timeout None Time limit to ...init_command Command (SQL query) executed immediately after the connection is established as part of the initialization ... A connection with the MySQL server can be established using either the mysql.connector.connect() function or the mysql.connector.MySQLConnection() class: cnx = mysql.connector.connect(user='joe', database='test') cnx = ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-dbsystem-create.html
The maintenance window is a two-hour period specified in Coordinated Universal Time, UTC. The time required to apply patches and updates may extend beyond the maintenance window and require a DB System restart. An automatic backup will start during ... Creating a DB System 3.3 Creating a DB System Check that the correct AWS region is shown at the top of the MySQL HeatWave ...