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https://dev.mysql.com/doc/refman/8.0/en/loadable-function-reference.html
The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, see Section 14.1, “Built-In Function and Operator Reference” For general ...
https://dev.mysql.com/doc/refman/8.0/en/other-vendor-data-types.html
If you create a table with types used by other vendors and then issue a DESCRIBE tbl_name statement, MySQL reports the table structure using the equivalent MySQL types. To facilitate the use of code written for SQL implementations from other ...
https://dev.mysql.com/doc/refman/8.0/en/replication-howto-masterstatus.html
Warning This procedure uses FLUSH TABLES WITH READ LOCK, which blocks COMMIT operations for InnoDB tables. If you are planning to shut down the source to create a data snapshot, you can optionally skip this procedure and instead store a copy of the ... To configure the replica to start the replication process at the correct point, you need to note the source's current coordinates within its binary ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules.html
For statements affecting databases only (that is, CREATE DATABASE, DROP DATABASE, and ALTER DATABASE), database-level options always take precedence over any --replicate-wild-do-table options. You should not use these options to control which ... If ...
https://dev.mysql.com/doc/refman/8.0/en/symbolic-links.html
For InnoDB tables, use the DATA DIRECTORY clause of the CREATE TABLE statement instead of symbolic links, as explained in Section 17.6.1.2, “Creating Tables Externally”. You can move databases or tables from the database directory to other ...
https://dev.mysql.com/doc/refman/8.0/en/sys-processlist.html
tmp_tables The number of internal in-memory temporary tables created by the current statement. tmp_disk_tables The number of internal on-disk temporary tables created by the current statement. They provide more complete information than the SHOW ...
https://dev.mysql.com/doc/refman/8.0/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. ->> Return value ...
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. Suppose that a customer table containing customer records has these columns: id: ...
https://dev.mysql.com/doc/refman/8.0/en/drop-database.html
Dropping a database does not remove any TEMPORARY tables that were created in that database. TEMPORARY tables are automatically removed when the session that created them ends. DROP {DATABASE | SCHEMA} [IF EXISTS] db_name DROP DATABASE drops all ...
https://dev.mysql.com/doc/refman/8.0/en/events-metadata.html
Value EVENTS Table SHOW EVENTS Execute at ETZ ETZ Starts ETZ ETZ Ends ETZ ETZ Last executed ETZ n/a Created STZ n/a Last altered STZ n/a . To obtain metadata about events: Query the EVENTS table of the INFORMATION_SCHEMA database. The session time ...Event Scheduler Time Representation Each session in MySQL has a session time zone ...