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https://dev.mysql.com/doc/refman/5.7/en/server-plugins.html
Version Tokens is based on a plugin library that implements a version_tokens plugin and a set of loadable functions. X Plugin extends MySQL Server to be able to function as a document store. MySQL supports an plugin API that enables creation of ...
https://dev.mysql.com/doc/refman/5.7/en/session-state-tracking.html
C API Session State Tracker Support To enable client applications to extract state-change information from OK packets returned by the server, the MySQL C API provides a pair of functions: mysql_session_track_get_first() fetches the first part of the ...A client can enable these trackers to receive notification of changes to its session ...
https://dev.mysql.com/doc/refman/5.7/en/set.html
Functions such as SUM() or AVG() that expect a numeric argument cast the argument to a number if necessary. Normally, you search for SET values using the FIND_IN_SET() function or the LIKE operator: mysql> SELECT * FROM tbl_name WHERE ... A SET is a ...
https://dev.mysql.com/doc/refman/5.7/en/shutdown.html
SHUTDOWN provides an SQL-level interface to the same functionality available using the mysqladmin shutdown command or the mysql_shutdown() C API function. A successful SHUTDOWN sequence consists of checking the privileges, validating the arguments, ...
https://dev.mysql.com/doc/refman/5.7/en/statement-caching.html
Conversion and caching occurs for these statements: Prepared statements, both those processed at the SQL level (using the PREPARE statement) and those processed using the binary client/server protocol (using the mysql_stmt_prepare() C API function).
https://dev.mysql.com/doc/refman/5.7/en/stored-program-variables.html
In addition, stored programs can use DECLARE to define local variables, and stored routines (procedures and functions) can be declared to take parameters that communicate values between the routine and its caller. It is not permitted to assign the ... System variables and user-defined variables can be used in stored programs, just as they can be used outside stored-program ...
https://dev.mysql.com/doc/refman/5.7/en/string-collating.html
If the sorting rules for your language are too complex to be handled with simple arrays, you must define string collating functions in the ctype-MYSET.c source file in the strings directory. The existing character sets provide the best documentation ... For a simple character set named MYSET, sorting rules are specified in the MYSET.xml configuration file using <map> array elements within <collation> ...
https://dev.mysql.com/doc/refman/5.7/en/string-types.html
For descriptions of functions that operate on string values, see Section 12.8, “String Functions and Operators”. The string data types are CHAR, VARCHAR, BINARY, VARBINARY, BLOB, TEXT, ENUM, and SET. For information about storage requirements ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-prerequisites.html
Before using the sys schema, the prerequisites described in this section must be satisfied. Because the sys schema provides an alternative means of accessing the Performance Schema, the Performance Schema must be enabled for the sys schema to work.