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https://dev.mysql.com/doc/refman/8.0/en/faqs-security.html
For information about the implications of this change of default plugin for server operation and compatibility of the server with clients and connectors, see caching_sha2_password as the Preferred Authentication Plugin. For general information about ...Where can I find documentation that addresses security issues for MySQL? ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-porting-mysql.html
The results are already converted; # no need to repeat conversion functions and WHERE clauses each time. Values for the flags, expire_time, and cas_column fields are based on values used in the demo.test sample table. If you are using lookup values ... Consider these aspects of memcached applications when adapting an existing MySQL schema or application to use the daemon_memcached plugin: memcached keys cannot contain spaces or newlines, because these characters are used as separators in the ASCII ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-connection-tables.html
Suppose that clients named user1 and user2 each connect one time from hosta and hostb. When a client connects to the MySQL server, it does so under a particular user name and from a particular host. Each connection table has CURRENT_CONNECTIONS and ...They differ in that, for grant tables, the host part of an account can be a pattern, whereas for Performance Schema tables, the host value is always a specific nonpattern host ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-waits-current-table.html
END_EVENT_ID This column is set to NULL when the event starts and updated to the thread current event number when the event ends. The TIMER_START and TIMER_END values indicate when event timing started and ended. If an event has not finished, ...For ...The table stores one row per thread showing the current status of the thread's most recent monitored wait event, so there is no system variable for configuring the table ...
https://dev.mysql.com/doc/refman/8.0/en/charset-introducer.html
A character string literal, hexadecimal literal, or bit-value literal may have an optional character set introducer and COLLATE clause, to designate it as a string that uses a particular character set and collation: [_charset_name] literal [COLLATE ...It tells the parser, “the string that follows uses character set charset_name.” An introducer does not change the string to the introducer character set like CONVERT() would ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-natural-language.html
MyISAM Limitation For very small tables, word distribution does not adequately reflect their semantic value, and this model may sometimes produce bizarre results for search indexes on MyISAM tables. For each row in the table, MATCH() returns a ...
https://dev.mysql.com/doc/refman/8.0/en/keyring.html
MySQL Server supports a keyring that enables internal server components and plugins to securely store sensitive information for later retrieval. The implementation comprises these elements: Keyring components and plugins that manage a backing store ...These keyring components are available: component_keyring_file: Stores keyring data in a file local to the server ...
https://dev.mysql.com/doc/refman/8.0/en/manual-info.html
The MySQL Database Software is under constant development, and the Reference Manual is updated frequently as well. This manual is not intended for use with older versions of the MySQL software due to the many functional and other differences between ... This is the Reference Manual for the MySQL Database System, version 8.0, through release ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-innodb-replicaset-introduction.html
This chapter introduces MySQL InnoDB ReplicaSet, which combines MySQL technologies to enable you to deploy and administer Chapter 19, Replication. An InnoDB ReplicaSet consists of at least two MySQL Server instances, and it provides all of the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks.html
The PRIVILEGE_CHECKS_USER account provides an additional layer of security in situations such as these: You are replicating between a server instance on your organization's network, and a server instance on another network, such as an instance ...