DATEPART Function [Date and Time]

Returns an integer value for the specified part of a date/time value.

Syntax

DATEPART ( date-part, date-expression )

Parameters
Parameter	Description
date-part	The date part to be returned.
date-expression	The date for which the part is to be returned. The date must contain the date-part field.

INT

The DATE, TIME, and DTTM indexes do not support some date parts (Calyearofweek, Calweekofyear, Caldayofweek, Dayofyear, Millisecond, Microsecond).

The following statement returns the value 5:

SELECT DATEPART( MONTH, '1987/05/02' )
FROM iq_dummy

The following statement returns the value 722,001:

SELECT DATEPART(MICROSECOND, '2009-11-10
14:57:52.722001') FROM iq_dummy

The following statement returns the value 777,777:

SELECT DATEPART(MICROSECOND, '2000/07/07
07:07:07.777777') FROM iq_dummy

The following statement returns the value 33,189:

SELECT DATEPART(MCS, '2009-11-03 11:10:42.033189')
FROM iq_dummy