UES (273,21,'CHARSET','Syntax:\nCHARSET(str)\n\nReturns the character set of the string argument, or NULL if the\nargument is NULL.\n\nURL: https://dev.mysql.com/doc/refman/8.0/en/information-functions.html\n\n','mysql> SELECT CHARSET(\'abc\');\n        -> \'utf8mb3\'\nmysql> SELECT CHARSET(CONVERT(\'abc\' USING latin1));\n        -> \'latin1\'\nmysql> SELECT CHARSET(USER());\n        -> \'utf8mb3\'\n','https://dev.mysql.com/doc/refman/8.0/en/information-functions.html');