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14.19.4 Detection of Functional Dependence

https://dev.mysql.com/doc/refman/8.0/en/group-by-functional-dependence.html

The following discussion provides several examples of the ways in which MySQL detects functional dependencies. The examples use this notation: {X} -> {Y} Understand this as “X uniquely determines Y,” which also means that Y is functionally ...

15.8.3 HELP Statement

https://dev.mysql.com/doc/refman/8.0/en/help.html

HELP 'search_string' The HELP statement returns online information from the MySQL Reference Manual. Its proper operation requires that the help tables in the mysql database be initialized with help topic information (see Section 7.1.17, ...

25.3 NDB Cluster Installation

https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-installation.html

This section describes the basics for planning, installing, configuring, and running an NDB Cluster. Whereas the examples in Section 25.4, “Configuration of NDB Cluster” provide more in-depth information on a variety of clustering options and ...

Chapter 2 Installing MySQL

https://dev.mysql.com/doc/refman/8.0/en/installing.html

A summary of the procedure follows and later sections provide the details. If you plan to upgrade an existing version of MySQL to a newer version rather than install MySQL for the first time, see Chapter 3, Upgrading MySQL, for information about ...

12.10.7.1 The cp932 Character Set

https://dev.mysql.com/doc/refman/8.0/en/charset-cp932.html

Why is cp932 needed? In MySQL, the sjis character set corresponds to the Shift_JIS character set defined by IANA, which supports JIS X0201 and JIS X0208 characters. (See http://www.iana.org/assignments/character-sets.) However, the meaning of ...

7.9.3 The LOCK_ORDER Tool

https://dev.mysql.com/doc/refman/8.0/en/lock-order-tool.html

The MySQL server is a multithreaded application that uses numerous internal locking and lock-related primitives, such as mutexes, rwlocks (including prlocks and sxlocks), conditions, and files. Within the server, the set of lock-related objects ...

2.4 Installing MySQL on macOS

https://dev.mysql.com/doc/refman/8.0/en/macos-installation.html

For a list of macOS versions that the MySQL server supports, see https://www.mysql.com/support/supportedplatforms/database.html. MySQL for macOS is available in a number of different forms: Native Package Installer, which uses the native macOS ...

12.5 Configuring Application Character Set and Collation

https://dev.mysql.com/doc/refman/8.0/en/charset-applications.html

For applications that store data using the default MySQL character set and collation (utf8mb4, utf8mb4_0900_ai_ci), no special configuration should be needed. If applications require data storage using a different character set or collation, you ...

7.5 MySQL Components

https://dev.mysql.com/doc/refman/8.0/en/components.html

MySQL Server includes a component-based infrastructure for extending server capabilities. A component provides services that are available to the server and other components. (With respect to service use, the server is a component, equal to other ...

25.3.3 Initial Configuration of NDB Cluster

https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-configuration.html

In this section, we discuss manual configuration of an installed NDB Cluster by creating and editing configuration files. For our four-node, four-host NDB Cluster (see Cluster nodes and host computers), it is necessary to write four configuration ...

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