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https://dev.mysql.com/doc/refman/8.4/en/statement-caching.html
For certain statements that a client might execute multiple times during a session, the server converts the statement to an internal structure and caches that structure to be used during execution. If the server does not detect this change the next ...To avoid problems caused by metadata changes to tables or views referred to by the prepared statement, the server detects these changes and automatically reprepares the statement when it is next ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-restore-cluster.html
Otherwise, the command fails with the error Unable to perform restore - no vacant ndbapi slots in config for cluster cluster_name. Doing this can decrease the time required to restore a large data set, particularly where many indexes were in use.
https://dev.mysql.com/doc/ndbapi/en/ndb-event.html
The new version of the API also simplifies error detection and handling. Old (deprecated) methods are shown in the first column of the following table, and new methods in the second column; old methods corresponding to new methods are shown in the ...Event Class Overview Event::addEventColumn() Event::addEventColumns() Event::addTableEvent() Event Constructor Event::EventDurability Event::EventReport Event::getDurability() Event::getEventColumn() Event::getName() Event::getNoOfEventColumns() Event::getObjectStatus() Event::getObjectVersion() Event::getObjectId() Event::getReport() Event::getTable() Event::getTableEvent() Event::getTableName() Event::mergeEvents() Event::setDurability() Event::setReport() Event::setName() Event::setTable() Event::TableEvent Event Class Overview Parent class NdbDictionary Child classes None Description This class represents a database event in an NDB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-disk-write-speed-aggregate-node.html
The disk_write_speed_aggregate_node table provides aggregated information per node about the speed of disk writes during LCP, backup, and restore operations.
https://dev.mysql.com/doc/refman/8.4/en/innodb-transaction-isolation-levels.html
Isolation is the I in the acronym ACID; the isolation level is the setting that fine-tunes the balance between performance and reliability, consistency, and reproducibility of results when multiple transactions are making changes and performing ...
https://dev.mysql.com/doc/workbench/en/wb-basic-foreign-key.html
Select the table tool again and place another table on the canvas. First, click the invoice_item table; notice that a red border indicates that this table is selected. This creates a foreign key in the invoice_item table, the table on the ...
https://dev.mysql.com/doc/connectors/en/connector-net-programming-blob.html
One common use for MySQL is the storage of binary data in BLOB columns. MySQL supports four different BLOB data types: TINYBLOB, BLOB, MEDIUMBLOB, and LONGBLOB, all described in The BLOB and TEXT Types and Data Type Storage Requirements. Data ...
https://dev.mysql.com/doc/connectors/en/connector-odbc-installation-source-development.html
Caution This section is only for users who are interested in helping us test our new code. To just get MySQL Connector/ODBC up and running on your system, use a standard release distribution. To check out the latest source code, visit GitHub: ...
https://dev.mysql.com/doc/connector-net/en/connector-net-programming-blob.html
One common use for MySQL is the storage of binary data in BLOB columns. MySQL supports four different BLOB data types: TINYBLOB, BLOB, MEDIUMBLOB, and LONGBLOB, all described in The BLOB and TEXT Types and Data Type Storage Requirements. Data ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-installation-source-development.html
Caution This section is only for users who are interested in helping us test our new code. To just get MySQL Connector/ODBC up and running on your system, use a standard release distribution. To check out the latest source code, visit GitHub: ...