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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-drop-table.html
--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving up. --connect-retry-delay Command-Line Format --connect-retry-delay=# Type ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-select-count.html
--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving up. --connect-retry-delay Command-Line Format --connect-retry-delay=# Type ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-transaction-management.html
For example, an application might encounter performance issues if it commits thousands of times per second, and different performance issues if it commits only every 2-3 hours. Set innodb_change_buffering=all so that update and delete operations are ... To optimize InnoDB transaction processing, find the ideal balance between the performance overhead of transactional features and the workload of your ...
https://dev.mysql.com/doc/refman/8.0/en/functions.html
Expressions can be used at several points in SQL statements, such as in the ORDER BY or HAVING clauses of SELECT statements, in the WHERE clause of a SELECT, DELETE, or UPDATE statement, or in SET statements. Expressions can be written using values ...An expression that contains NULL always produces a NULL value unless otherwise indicated in the documentation for a particular function or ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-key-types.html
MySQL Keyring supports keys of different types (encryption algorithms) and lengths: The available key types depend on which keyring plugin is installed. (The lower limits for keyring_aws are imposed by the AWS KMS interface, not the keyring ...The ...
https://dev.mysql.com/doc/refman/8.0/en/macos-installation-prefpane.html
The MySQL Installation Package includes a MySQL preference pane that enables you to start, stop, and control automated startup during boot of your MySQL installation. This preference pane is installed by default, and is listed under your system's ...Figure 2.20 MySQL Preference Pane: Location The MySQL preference pane is installed with the same DMG file that installs MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/merge-table-advantages.html
For example, you can put data from different months into separate tables, compress some of them with myisampack, and then create a MERGE table to use them as one. You can split a large read-only table based on some criteria, and then put individual ... MERGE tables can help you solve the following problems: Easily manage a set of log ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-max-allowed-packet.html
Row-based replication sends all columns and column values for updated rows from the source to the replica, including values of columns that were not actually changed by the update. max_allowed_packet sets an upper limit on the size of any single ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-triggers-table.html
The value is INSERT (a row was inserted), DELETE (a row was deleted), or UPDATE (a row was modified). EVENT_OBJECT_CATALOG, EVENT_OBJECT_SCHEMA, and EVENT_OBJECT_TABLE As noted in Section 27.3, “Using Triggers”, every trigger is associated with ...To see information about a table's triggers, you must have the TRIGGER privilege for the ...
https://dev.mysql.com/doc/refman/8.0/en/alter-event.html
To disable myevent, use this ALTER EVENT statement: ALTER EVENT myevent DISABLE; The ON SCHEDULE clause may use expressions involving built-in MySQL functions and user variables to obtain any of the timestamp or interval values which it contains.