date_function

<date_function> ::=
  ADDDATE    (<date_or_timestamp_expression>,<expression>)
| ADD_MONTHS (<date_or_timestamp_expression>,<expression>)
| DATEDIFF   (<date_or_timestamp_expression>,<date_or_timestamp_expression>)
| DAYNAME    (<date_or_timestamp_expression>)
| DAYOFMONTH (<date_or_timestamp_expression>)
| DAYOFWEEK  (<date_or_timestamp_expression>)
| DAYOFYEAR  (<date_or_timestamp_expression>)
| MAKEDATE   (<expression>,<expression>)
| MONTHNAME  (<date_or_timestamp_expression>)
| SUBDATE    (<date_or_timestamp_expression>,<expression>)
| WEEKOFYEAR (<date_or_timestamp_expression>)

Referenced by:

<function_spec>