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https://dev.mysql.com/doc/refman/8.0/en/server-plugins.html
MySQL supports an plugin API that enables creation of server plugins. Plugins can be loaded at server startup, or loaded and unloaded at runtime without restarting the server. MySQL distributions include several plugins that implement server ...The ...
https://dev.mysql.com/doc/refman/8.0/en/uln-installation.html
Linux supports a number of different solutions for installing MySQL, covered in Section 2.5, “Installing MySQL on Linux”. Both Community and Commercial packages are supported, and each offers three MySQL channels: Server: MySQL Server ...One of ...
https://dev.mysql.com/doc/refman/8.0/en/json-validation-functions.html
Beginning with MySQL 8.0.17, MySQL supports validation of JSON documents against JSON schemas conforming to Draft 4 of the JSON Schema specification. MySQL supports the required attribute in JSON schemas to enforce the inclusion of required ...This ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbd-definition.html
If a MySQL server fails to send a heartbeat in time it is declared “dead,” in which case all ongoing transactions are completed and all resources released. There are many parameters which control buffer sizes, pool sizes, timeouts, and so forth.
https://dev.mysql.com/doc/refman/8.0/en/create-procedure.html
The DEFINER clause specifies the MySQL account to be used when checking access privileges at routine execution time for routines that have the SQL SECURITY DEFINER characteristic. The CREATE FUNCTION statement is also used in MySQL to support ...By ...
https://dev.mysql.com/doc/refman/8.0/en/optimizer-hints.html
Optimizer Hint Syntax MySQL supports comments in SQL statements as described in Section 11.7, “Comments”. Duplicate hints: For a hint such as /*+ MRR(idx1) MRR(idx1) */, MySQL uses the first hint and issues a warning about the duplicate hint.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-basics.html
The “Cluster” portion of NDB Cluster is configured independently of the MySQL servers. There are as many data nodes as there are fragment replicas, times the number of fragments (see Section 25.2.2, “NDB Cluster Nodes, Node Groups, Fragment ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-enterprise-backup.html
MySQL Enterprise Backup performs hot backup operations for MySQL databases. For more information, see the MySQL Enterprise Backup manual, available at https://dev.mysql.com/doc/mysql-enterprise-backup/en/. For these reasons, hot backups are ...The ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-before-you-begin.html
If your MySQL installation contains a large amount of data that might take a long time to convert after an in-place upgrade, it may be useful to create a test instance for assessing the conversions that are required and the work involved to perform ...The backup should include the mysql system database, which contains the MySQL data dictionary tables and system ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-indexes.html
Without an index, MySQL must begin with the first row and then read through the entire table to find the relevant rows. If the table has an index for the columns in question, MySQL can quickly determine the position to seek to in the middle of the ... Indexes are used to find rows with specific column values ...