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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-example.html
You can verify that all existing data nodes were restarted using the updated configuration by checking the ndbinfo.nodes table in the mysql client. Shut down and restart each MySQL server acting as an SQL node in the cluster using mysqladmin ... In ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log.html
From MySQL 8.0.30, you can add statistics for the time and size of each query to detect outliers. Note MySQL Enterprise Audit is an extension included in MySQL Enterprise Edition, a commercial product. MySQL Enterprise Edition includes MySQL ...The ...
https://dev.mysql.com/doc/refman/8.0/en/memory-use.html
MySQL allocates buffers and caches to improve performance of database operations. The default configuration is designed to permit a MySQL server to start on a virtual machine that has approximately 512MB of RAM. You can improve MySQL performance by ...The InnoDB buffer pool is a memory area that holds cached InnoDB data for tables, indexes, and other auxiliary ...
https://dev.mysql.com/doc/refman/8.0/en/starting-server-troubleshooting.html
(The default MySQL port number is 3306.) Then press Enter a couple of times. For additional suggestions for Windows systems, see Section 2.3.5, “Troubleshooting a Microsoft Windows MySQL Server Installation”. Log files are located in the data ...
https://dev.mysql.com/doc/refman/8.0/en/diagnostics-area.html
The following discussion describes the structure of the diagnostics area in MySQL, the information items recognized by MySQL, how statements clear and set the diagnostics area, and how diagnostics areas are pushed to and popped from the stack. All ... SQL statements produce diagnostic information that populates the diagnostics ...
https://dev.mysql.com/doc/refman/8.0/en/invoking-programs.html
To invoke a MySQL program from the command line (that is, from your shell or command prompt), enter the program name followed by any options or other arguments needed to instruct the program what you want it to do. $> mysql --user=root test $> ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-oci-marketplace-connecting.html
This section describes the various connection methods for connecting to the deployed MySQL server on the OCI Compute Instance. To find the temporary root password created for the root user, run the following command: sudo grep 'temporary password' ...Connecting with SSH This section gives some detail on connecting from a UNIX-like platform to the OCI ...
https://dev.mysql.com/doc/refman/8.0/en/server-loadable-functions.html
MySQL supports loadable functions, that is, functions that are not built in but can be loaded at runtime (either during startup or later) to extend server capabilities, or unloaded to remove capabilities. MySQL distributions include loadable ...For ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-triggers.html
MySQL does have specific special behavior for some TIMESTAMP columns, as well as for columns which are defined using AUTO_INCREMENT. Can a table have multiple triggers with the same trigger event and action time? In MySQL 8.0, it is possible to ...
https://dev.mysql.com/doc/refman/8.0/en/connecting-using-uri-or-key-value-pairs.html
connect-timeout: An integer value used to configure the number of seconds that clients, such as MySQL Shell, wait until they stop trying to connect to an unresponsive MySQL server. This section describes use of URI-like connection strings or ...