Returns the day of the month in the argument as a short integer value in the range of 1-31. The argument date_expression can be the name of a column, the result of another scalar function, or a date or timestamp literal.
Syntax
DAYOFMONTH ( date_expression )
Notes
The date_expression argument must be of type DATE.
If date_expressionis supplied as a date literal, it can be any of the valid date_literalformats where the day specification (DD) precedes the month specification (MM).
The result is of type SHORT.
If the argument expression evaluates to NULL, the result is NULL.
Example
This example illustrates the DAYOFMONTH function:
SELECT *
FROM orders
WHERE DAYOFMONTH (order_date) = 14 ;