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https://dev.mysql.com/doc/refman/8.0/en/type-conversion.html
When an operator is used with operands of different types, type conversion occurs to make the operands compatible. For example, MySQL automatically converts strings to numbers as necessary, and vice versa. mysql> SELECT 1+'1'; -> 2 mysql> SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-prerequisites.html
Before upgrading to the latest MySQL 8.0 release, ensure the upgrade readiness of your current MySQL 5.7 or MySQL 8.0 server instance by performing the preliminary checks described below. Tip Consider using the MySQL Shell upgrade checker utility ...
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 ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-sets.html
This section describes the collations available for Unicode character sets and their differentiating properties. MySQL supports multiple Unicode character sets: utf8mb4: A UTF-8 encoding of the Unicode character set using one to four bytes per ...
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 ...
https://dev.mysql.com/doc/refman/8.0/en/connection-options.html
This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are compressed. These options can be given on ...
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 ...
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 ...
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 ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-general-info.html
MySQL NDB Cluster uses the MySQL server with the NDB storage engine. Support for the NDB storage engine is not included in standard MySQL Server 8.0 binaries built by Oracle. Instead, users of NDB Cluster binaries from Oracle should upgrade to the ...