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https://dev.mysql.com/doc/refman/8.0/en/show-processlist.html
For example, if a CALL statement executes a stored procedure that is executing a SELECT statement, the Info value shows the SELECT statement. SHOW [FULL] PROCESSLIST Important The INFORMATION SCHEMA implementation of SHOW PROCESSLIST is deprecated ...
https://dev.mysql.com/doc/refman/8.0/en/start-replica.html
IO_THREAD starts the replication receiver thread, which reads events from the source server and stores them in the relay log. Remove the option or system variable setting after the procedure is complete, so that it is not forgotten in the event of ... START REPLICA [thread_types] [until_option] [connection_options] [channel_option] thread_types: [thread_type [, thread_type] ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-reference.html
The sys schema includes tables and triggers, views, and stored procedures and functions.
https://dev.mysql.com/doc/refman/8.0/en/char.html
The CHAR and VARCHAR types are similar, but differ in the way they are stored and retrieved. The CHAR and VARCHAR types are declared with a length that indicates the maximum number of characters you want to store. When CHAR values are stored, they ...They also differ in maximum length and in whether trailing spaces are ...
https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html
[NATIONAL] CHAR[(M)] [CHARACTER SET charset_name] [COLLATE collation_name] A fixed-length string that is always right-padded with spaces to the specified length when stored. MySQL stores VARCHAR values as a 1-byte or 2-byte length prefix plus data.
https://dev.mysql.com/doc/refman/8.0/en/adding-collation-simple-8bit.html
This section describes how to add a simple collation for an 8-bit character set by writing the <collation> elements associated with a <charset> character set description in the MySQL Index.xml file. The example adds a collation named latin1_test_ci ...
https://dev.mysql.com/doc/refman/8.0/en/adding-collation-unicode-uca.html
This section describes how to add a UCA collation for a Unicode character set by writing the <collation> element within a <charset> character set description in the MySQL Index.xml file. It uses a subset of the Locale Data Markup Language (LDML) ...
https://dev.mysql.com/doc/refman/8.0/en/adding-collation.html
Summary of the procedure for adding a new user-defined collation: Choose a collation ID. Warning User-defined collations are deprecated; you should expect support for them to be removed in a future version of MySQL. As of MySQL 8.0.33, the server ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-filter-definitions.html
The AUDIT_ABORT_EXEMPT privilege is also assigned to existing accounts with the SYSTEM_USER privilege when you carry out an upgrade procedure with MySQL 8.0.28 or later, if no existing accounts have that privilege assigned. For information about ...
https://dev.mysql.com/doc/refman/8.0/en/backup-and-recovery.html
For additional information about InnoDB backup procedures, see Section 17.18.1, “InnoDB Backup”. It is important to back up your databases so that you can recover your data and be up and running again in case problems occur, such as system ...