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https://dev.mysql.com/doc/refman/8.0/en/information-schema-optimization.html
Note If the innodb_read_only system variable is enabled, ANALYZE TABLE may fail because it cannot update statistics tables in the data dictionary, which use InnoDB. To write queries for these tables most efficiently, use the following general ...To ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-exclusive-to-cluster.html
All machines used in the cluster must have the same architecture. That is, all machines hosting nodes must be either big-endian or little-endian, and you cannot use a mixture of both. The number of fragment replicas, as determined by the ... The ...
https://dev.mysql.com/doc/refman/8.0/en/using-mysqldump.html
Tip Consider using the MySQL Shell dump utilities, which provide parallel dumping with multiple threads, file compression, and progress information display, as well as cloud features such as Oracle Cloud Infrastructure Object Storage streaming, and ...Dumps can be easily imported into a MySQL Server instance or a MySQL HeatWave DB System using the MySQL Shell load dump ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-filter-definitions.html
If the number of arguments is incorrect or the arguments are not of the correct data types required by the function an error occurs. For information about using JSON data in MySQL, see Section 13.5, “The JSON Data Type”. For an event that cannot ...Filter definitions have this form, where actions indicates how filtering takes place: { "filter": actions } The following discussion describes permitted constructs in filter ...
https://dev.mysql.com/doc/refman/8.0/en/what-is-mysql.html
The database structures are organized into physical files optimized for speed. MySQL, the most popular Open Source SQL database management system, is developed, distributed, and supported by Oracle Corporation. Since computers are very good at ...
https://dev.mysql.com/doc/refman/8.0/en/option-defaults-equals.html
080111 22:53:32 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var 080111 22:53:34 mysqld_safe mysqld from pid file /usr/local/mysql/var/tonfisk.pid ended [1]+ Done ./mysqld_safe --log-error my-errors The server attempted to ...080112 12:53:40 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var $> After shutting down the server, restart it as follows: $> mysqld_safe --log-error & [1] 11699 $> 080112 12:53:40 mysqld_safe Logging to ...
https://dev.mysql.com/doc/refman/8.0/en/reset-master.html
After verifying the setup, resetting the source and replica and ensuring that no unwanted data or binary log files generated by testing remain on the source or replica, you can start the replica and begin replicating. RESET MASTER [TO ...See RESET ... Note This statement is replaced in later versions of MySQL by RESET BINARY LOGS AND GTIDS, and should be considered ...
https://dev.mysql.com/doc/refman/8.0/en/federated-description.html
When you create a table using one of the standard storage engines (such as MyISAM, CSV or InnoDB), the table consists of the table definition and the associated data. When you create a FEDERATED table, the table definition is the same, but the ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-multi-primary-mode.html
This means that as soon as the incoming traffic slows down or stops, all group members have the same data content. You can choose a setting that suits the workload of your group and your priorities for data reads and writes, taking into account the ...Any member that is compatible with the other group members is set to read/write mode when joining the group, and can process write transactions, even if they are issued ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-drop-table.html
--core-file Command-Line Format --core-file Removed 8.0.31 Write core file on error; used in debugging. --database, -d Command-Line Format --database=name Type String Default Value TEST_DB Name of the database in which the table resides. Usage ...