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https://dev.mysql.com/doc/refman/8.4/en/innodb-undo-logs.html
An undo log is a collection of undo log records associated with a single read-write transaction. An undo log record contains information about how to undo the latest change by a transaction to a clustered index record. If another transaction needs ...
https://dev.mysql.com/doc/refman/8.4/en/invoking-programs.html
To invoke a MySQL program from the command line (that is, from your shell or command prompt), enter the program name followed by any options or other arguments needed to instruct the program what you want it to do. $> represents the prompt for your ...
https://dev.mysql.com/doc/refman/8.4/en/ipv6-brokers.html
If you do not have a public IPv6 address that enables your system to communicate over IPv6 outside your local network, you can obtain one from an IPv6 broker. The Wikipedia IPv6 Tunnel Broker page lists several brokers and their features, such as ...
https://dev.mysql.com/doc/refman/8.4/en/ipv6-local-connections.html
The following procedure shows how to configure MySQL to permit IPv6 connections by clients that connect to the local server using the ::1 local host address. Start the MySQL server with an appropriate bind_address setting to permit it to accept ...
https://dev.mysql.com/doc/refman/8.4/en/ipv6-remote-connections.html
The following procedure shows how to configure MySQL to permit IPv6 connections by remote clients. It is similar to the preceding procedure for local clients, but the server and client hosts are distinct and each has its own nonlocal IPv6 address.
https://dev.mysql.com/doc/refman/8.4/en/json-creation-functions.html
The functions listed in this section compose JSON values from component elements. JSON_ARRAY([val[, val] ...]) Evaluates a (possibly empty) list of values and returns a JSON array containing those values. mysql> SELECT JSON_ARRAY(1, "abc", NULL, ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-component-plugin-comparison.html
The MySQL Keyring originally implemented keystore capabilities using server plugins, but began transitioning to use the component infrastructure. This section briefly compares keyring components and plugins to provide an overview of their ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-encrypted-file-component.html
Note component_keyring_encrypted_file is an extension included in MySQL Enterprise Edition, a commercial product. The component_keyring_encrypted_file keyring component stores keyring data in an encrypted, password-protected file local to the ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-service.html
MySQL Server supports a keyring service that enables internal components and plugins to securely store sensitive information for later retrieval. MySQL distributions provide a keyring interface that is accessible at two levels: At the SQL level, as ...
https://dev.mysql.com/doc/refman/8.4/en/large-page-support.html
Some hardware and operating system architectures support memory pages greater than the default (usually 4KB). The actual implementation of this support depends on the underlying hardware and operating system. Applications that perform a lot of ...