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https://dev.mysql.com/doc/refman/8.4/en/document-store-interfaces.html
You can use MySQL Shell to prototype applications, execute queries and update data. To work with MySQL as a document store, you use dedicated components and a choice of clients that support communicating with the MySQL server to develop document ...
https://dev.mysql.com/doc/refman/8.4/en/drop-spatial-reference-system.html
DROP SPATIAL REFERENCE SYSTEM [IF EXISTS] srid srid: 32-bit unsigned integer This statement removes a spatial reference system (SRS) definition from the data dictionary. Example: DROP SPATIAL REFERENCE SYSTEM 4120; If no SRS definition with the ...
https://dev.mysql.com/doc/refman/8.4/en/error-log.html
Depending on error log configuration, error messages may also populate the Performance Schema error_log table, to provide an SQL interface to the log and enable its contents to be queried. This section discusses how to configure the MySQL server ...
https://dev.mysql.com/doc/refman/8.4/en/events-privileges.html
To enable or disable the execution of scheduled events, it is necessary to set the value of the global event_scheduler system variable. The EVENT privilege governs the creation, modification, and deletion of events. For example, suppose that ...
https://dev.mysql.com/doc/refman/8.4/en/example-storage-engine.html
The EXAMPLE storage engine is a stub engine that does nothing. Its purpose is to serve as an example in the MySQL source code that illustrates how to begin writing new storage engines. To enable the EXAMPLE storage engine if you build MySQL from ...
https://dev.mysql.com/doc/refman/8.4/en/exists-and-not-exists-subqueries.html
If a subquery returns any rows at all, EXISTS subquery is TRUE, and NOT EXISTS subquery is FALSE. For example: SELECT column1 FROM t1 WHERE EXISTS (SELECT * FROM t2); Traditionally, an EXISTS subquery starts with SELECT *, but it could begin with ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-replication.html
In the following section, we provide answers to questions that are most frequently asked about MySQL Replication. Must the replica be connected to the source all the time? A.14.2. Must I enable networking on my source and replica to enable ...
https://dev.mysql.com/doc/refman/8.4/en/federated-create.html
To create a FEDERATED table you should follow these steps: Create the table on the remote server. Alternatively, make a note of the table definition of an existing table, perhaps using the SHOW CREATE TABLE statement. Create the table on the local ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/federated-storage-engine.html
The FEDERATED storage engine lets you access data from a remote MySQL database without using replication or cluster technology. Querying a local FEDERATED table automatically pulls the data from the remote (federated) tables. To include the ...