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https://dev.mysql.com/doc/refman/5.7/en/non-typed-operators.html
->> Return value from JSON column after evaluating path and unquoting the result; equivalent to JSON_UNQUOTE(JSON_EXTRACT()). / Division operator := Assign a value = Assign a value (as part of a SET statement, or as part of the SET clause in an ...
https://dev.mysql.com/doc/refman/5.7/en/xa-statements.html
gtrid and bqual must be string literals, each up to 64 bytes (not characters) long. You can use a quoted string ('ab'), hex string (X'6162', 0x6162), or bit value (b'nnnn'). To perform XA transactions in MySQL, use the following statements: XA ...
https://dev.mysql.com/doc/refman/5.7/en/select.html
} export_options: [{FIELDS | COLUMNS} [TERMINATED BY 'string'] [[OPTIONALLY] ENCLOSED BY 'char'] [ESCAPED BY 'char'] ] [LINES [STARTING BY 'string'] [TERMINATED BY 'string'] ] SELECT is used to retrieve rows selected from one or more tables, and can ... SELECT [ALL | DISTINCT | DISTINCTROW ] [HIGH_PRIORITY] [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT] [SQL_CACHE | SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS] select_expr [, select_expr] ...
https://dev.mysql.com/doc/refman/5.7/en/create-event.html
CREATE [DEFINER = user] EVENT [IF NOT EXISTS] event_name ON SCHEDULE schedule [ON COMPLETION [NOT] PRESERVE] [ENABLE | DISABLE | DISABLE ON SLAVE] [COMMENT 'string'] DO event_body; schedule: { AT timestamp [+ INTERVAL interval] ... Within an event ...The event does not run unless the Event Scheduler is ...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-natural-language.html
By default or with the IN NATURAL LANGUAGE MODE modifier, the MATCH() function performs a natural language search for a string against a text collection. For each row in the table, MATCH() returns a relevance value; that is, a similarity measure ...
https://dev.mysql.com/doc/refman/5.7/en/known-issues.html
In MIN(), MAX(), and other aggregate functions, MySQL currently compares ENUM and SET columns by their string value rather than by the string's relative position in the set. Even if you use lower_case_table_names=2 (which enables MySQL to remember ... This section lists known issues in recent versions of ...
https://dev.mysql.com/doc/refman/5.7/en/charset-metadata.html
Thus column names, database names, user names, version names, and most of the string results from SHOW are metadata. The metadata requirements mean that the return values of the USER(), CURRENT_USER(), SESSION_USER(), SYSTEM_USER(), DATABASE(), and ... Metadata is “the data about the data.” Anything that describes the database—as opposed to being the contents of the database—is ...
https://dev.mysql.com/doc/refman/5.7/en/source-configuration-options.html
-DWITH_ZLIB=zlib_type Some features require that the server be built with compression library support, such as the COMPRESS() and UNCOMPRESS() functions, and compression of the client/server protocol. The CMake program provides a great deal of ...
https://dev.mysql.com/doc/refman/5.7/en/stored-program-restrictions.html
Thus, stored functions and triggers cannot use dynamic SQL (where you construct statements as strings and then execute them). Some of the restrictions noted here apply to all stored routines; that is, both to stored procedures and stored functions.
https://dev.mysql.com/doc/refman/5.7/en/version-tokens-usage.html
Each of those functions, if successful, returns a binary string indicating what action occurred. The SUPER privilege is required to call any of the Version Token functions, so token list modification is expected to be done by a management or ...