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https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf16.html
For a supplementary character, utf16 has a special sequence for representing the character using 32 bits. The utf16 character set is the ucs2 character set with an extension that enables encoding of supplementary characters: For a BMP character, ...
https://dev.mysql.com/doc/refman/8.0/en/lock-tables.html
The table can be accessed freely by the session within which it was created, regardless of what other locking may be in effect. The following statements are prohibited while a LOCK TABLES statement is in effect: CREATE TABLE, CREATE TABLE ... LIKE, ... LOCK {TABLE | TABLES} tbl_name [[AS] alias] lock_type [, tbl_name [[AS] alias] lock_type] ...
https://dev.mysql.com/doc/refman/8.0/en/log-file-maintenance.html
As described in Section 7.4, “MySQL Server Logs”, MySQL Server can create several different log files to help you see what activity is taking place. A log-flushing operation has the following effects: If binary logging is enabled, the server ...
https://dev.mysql.com/doc/refman/8.0/en/memory-use.html
For MEMORY tables explicitly created with CREATE TABLE, only the max_heap_table_size system variable determines how large a table can grow, and there is no conversion to on-disk format. When reading rows in an arbitrary sequence (for example, ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-mgm-client-commands.html
Commands for the event logs are given in Section 25.6.3, “Event Reports Generated in NDB Cluster”; commands for creating backups and restoring from them are provided in Section 25.6.8, “Online Backup of NDB Cluster”. CREATE NODEGROUP ... In ...
https://dev.mysql.com/doc/refman/8.0/en/mysqladmin.html
You can use it to check the server's configuration and current status, to create and drop databases, and more. MySQL clients typically overwrite the command-line password argument with zeros during their initialization sequence. To create or modify ...Invoke mysqladmin like this: mysqladmin [options] command [command-arg] [command [command-arg]] ...
https://dev.mysql.com/doc/refman/8.0/en/network-namespace-support.html
(For example, Linux.) Any network namespace to be used by MySQL must first be created on the host system. If errors occur for X Plugin during plugin initialization such that it is unable to bind to any address, the plugin fails its initialization ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-ddl-operations.html
Foreign key constraints can make a TRUNCATE statement work like a regular DELETE statement, in which case a sequence of commands like DROP TABLE and CREATE TABLE might be fastest. Many DDL operations on tables and indexes (CREATE, ALTER, and DROP ...Use TRUNCATE TABLE to empty a table, not DELETE FROM ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-stored-procs.html
Are stored procedures and functions created on a replication source server replicated to a replica? A.4.24. You can manage stored procedures with CREATE [FUNCTION|PROCEDURE], ALTER [FUNCTION|PROCEDURE], DROP [FUNCTION|PROCEDURE], and SHOW CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-okv-plugin.html
The following procedure briefly summarizes the process of setting up keyring_okv for use with Oracle Key Vault: Create the configuration directory for the keyring_okv plugin to use. Create the configuration directory that contains the Oracle Key ...