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https://dev.mysql.com/doc/refman/8.0/en/server-loadable-functions.html
See Section 7.6.4, “The Rewriter Query Rewrite Plugin” Version Tokens enables creation of and synchronization around server tokens that applications can use to prevent accessing incorrect or out-of-date data. The following sections describe how ... 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 ...
https://dev.mysql.com/doc/refman/8.0/en/server-plugins.html
Plugins can be loaded at server startup, or loaded and unloaded at runtime without restarting the server. Version Tokens enables creation of and synchronization around server tokens that applications can use to prevent accessing incorrect or ...The ... MySQL supports an plugin API that enables creation of server ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-stopwords.html
The stopword list is loaded and searched for full-text queries using the server character set and collation (the values of the character_set_server and collation_server system variables). Stopwords for InnoDB Search Indexes Stopwords for MyISAM ...
https://dev.mysql.com/doc/refman/8.0/en/json-utility-functions.html
JSON_STORAGE_SIZE() and JSON_STORAGE_FREE() show, respectively, the amount of storage space used by a given JSON value and the amount of space remaining in a JSON column following a partial update. JSON_PRETTY(json_val) Provides pretty-printing of ... This section documents utility functions that act on JSON values, or strings that can be parsed as JSON ...
https://dev.mysql.com/doc/refman/8.0/en/json-validation-functions.html
This can be done using either of the functions detailed in this section, both of which take two arguments, a JSON schema, and a JSON document which is validated against the schema. JSON_SCHEMA_VALID() returns true if the document validates against ...Both functions handle null or invalid input as follows: If at least one of the arguments is NULL, the function returns ... Beginning with MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-service.html
MySQL Server supports a keyring service that enables internal components and plugins to securely store sensitive information for later retrieval. This section describes how to use the keyring service functions to store, retrieve, and remove keys in ...MySQL distributions provide a keyring interface that is accessible at two levels: At the SQL level, as a set of loadable functions that each map onto calls to the service ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-threads.html
The threads table provides information about threads running in the NDB kernel.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo.html
This database contains a number of tables, each providing a different sort of data about NDB Cluster node status, resource usage, and operations. row *************************** Engine: InnoDB Support: DEFAULT Comment: Supports transactions, ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-stage-summary-tables.html
Each stage summary table has these summary columns containing aggregated values: COUNT_STAR, SUM_TIMER_WAIT, MIN_TIMER_WAIT, AVG_TIMER_WAIT, and MAX_TIMER_WAIT. The Performance Schema maintains tables for collecting current and recent stage events, ...Section 29.12.5, “Performance Schema Stage Event Tables” describes the events on which stage summaries are ...
https://dev.mysql.com/doc/refman/8.0/en/replication-asynchronous-connection-failover-replica.html
In MySQL 8.0.27 and later, asynchronous connection failover for replicas is activated automatically for a replication channel on a Group Replication primary when you set SOURCE_CONNECTION_AUTO_FAILOVER=1 in the CHANGE REPLICATION SOURCE TO ...The ...