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https://dev.mysql.com/doc/refman/8.0/en/data-masking-plugin-usage.html
Creating Views that Display Masked Data If masked data from a table is used for multiple queries, it may be convenient to define a view that produces masked data. Before using MySQL Enterprise Data Masking and De-Identification, install it ...
https://dev.mysql.com/doc/refman/8.0/en/declare-handler.html
statement handler_action: { CONTINUE | EXIT | UNDO } condition_value: { mysql_error_code | SQLSTATE [VALUE] sqlstate_value | condition_name | SQLWARNING | NOT FOUND | SQLEXCEPTION } The DECLARE ... HANDLER statement specifies a handler that deals ...
https://dev.mysql.com/doc/refman/8.0/en/derived-table-optimization.html
The overhead of index creation is negligible compared to the cost of query execution without the index. If ref access would result in higher cost than some other access method, the optimizer creates no index and loses nothing. This is similar to ...
https://dev.mysql.com/doc/refman/8.0/en/docker-mysql-getting-started.html
Downloading the server image in a separate step is not strictly necessary; however, performing this step before you create your Docker container ensures your local image is up to date. For example: $> docker ps CONTAINER ID IMAGE COMMAND CREATED ...
https://dev.mysql.com/doc/refman/8.0/en/drop-database.html
The DROP DATABASE statement removes from the given database directory those files and directories that MySQL itself may create during normal operation. Dropping a database does not remove any TEMPORARY tables that were created in that database.
https://dev.mysql.com/doc/refman/8.0/en/events-metadata.html
The session time zone that is current when a CREATE EVENT or ALTER EVENT statement executes is used to interpret times specified in the event definition. Value EVENTS Table SHOW EVENTS Execute at ETZ ETZ Starts ETZ ETZ Ends ETZ ETZ Last executed ETZ ... To obtain metadata about events: Query the EVENTS table of the INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/refman/8.0/en/example-foreign-keys.html
To demonstrate ON DELETE and ON UPDATE referential actions, drop the child table and recreate it to include ON UPDATE and ON DELETE subclauses with the CASCADE option. MySQL supports foreign keys, which permit cross-referencing related data across ...
https://dev.mysql.com/doc/refman/8.0/en/expressions.html
This section lists the grammar rules that expressions must follow in MySQL and provides additional information about the types of terms that may appear in expressions. Expression Syntax Expression Term Notes Temporal Intervals Expression Syntax The ...
https://dev.mysql.com/doc/refman/8.0/en/gis-general-property-functions.html
For example: SET @g1 = ST_SRID(Point(1, 1), 4326); However, that method creates the geometry in SRID 0, then casts it to SRID 4326 (WGS 84). A preferable alternative is to create the geometry with the correct spatial reference system to begin with.
https://dev.mysql.com/doc/refman/8.0/en/group-replication-configuring-instances.html
Configuring group_replication_group_name tells the plugin that the group that it is joining, or creating, is named "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa". It is good practice to start the bootstrap member first, and let it create the group. Creating ... This section explains the configuration settings required for MySQL Server instances that you want to use for Group ...