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https://dev.mysql.com/doc/refman/9.7/en/set-operations.html
Result Set Column Names and Data Types Set Operations with TABLE and VALUES Statements Set Operations using DISTINCT and ALL Set Operations with ORDER BY and LIMIT Limitations of Set Operations SQL set operations combine the results of multiple ...
https://dev.mysql.com/doc/refman/9.7/en/spatial-relation-functions-object-shapes.html
The OpenGIS specification defines the following functions to test the relationship between two geometry values g1 and g2, using precise object shapes. The return values 1 and 0 indicate true and false, respectively, except that distance functions ...
https://dev.mysql.com/doc/refman/9.7/en/system-variable-privileges.html
(For information about dynamic variables, see Section 7.1.9.2, “Dynamic System Variables”.) For certain global system variables, SET can be used to persist their value to the mysqld-auto.cnf file in the data directory, to affect server operation ...
https://dev.mysql.com/doc/refman/9.7/en/xml-functions.html
Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section discusses XML and related functionality in MySQL. Note It is possible to obtain ...
https://dev.mysql.com/doc/refman/9.7/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 ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/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, ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/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/9.7/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 9.7 binaries built by Oracle. Instead, users of NDB Cluster binaries from Oracle should upgrade to the ...