SQL Server: DATEPART Function
This SQL Server tutorial explains how to use the DATEPART function in SQL Server (Transact-SQL) with syntax and examples.
Description
In SQL Server (Transact-SQL), the DATEPART function returns a specified part of a given date, as an integer value.
Syntax
The syntax for the DATEPART function in SQL Server (Transact-SQL) is:
DATEPART( interval, date )
Parameters or Arguments
- interval
-
The time/date interval that you wish to retrieve from date. It can be one of the following values:
Value (any one of) Explanation year, yyyy, yy Year interval quarter, qq, q Quarter interval month, mm, m Month interval dayofyear Day of year interval day, dy, y Day interval week, ww, wk Week interval weekday, dw, w Weekday interval hour, hh Hour interval minute, mi, n Minute interval second, ss, s Second interval millisecond, ms Millisecond interval - date
- The date to use to retrieve the interval value.
Note
- The DATEPART function returns the result as an integer value.
- The DATENAME function returns the result as a string value.
Applies To
The DATEPART function can be used in the following versions of SQL Server (Transact-SQL):
- SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, SQL Server 2008 R2, SQL Server 2008, SQL Server 2005
Example
Let’s look at some SQL Server DATEPART function examples and explore how to use the DATEPART function in SQL Server (Transact-SQL).
For example:
SELECT DATEPART(year, '2014/04/28'); Result: 2014 SELECT DATEPART(yyyy, '2014/04/28'); Result: 2014 SELECT DATEPART(yy, '2014/04/28'); Result: 2014 SELECT DATEPART(month, '2014/04/28'); Result: 4 SELECT DATEPART(day, '2014/04/28'); Result: 28 SELECT DATEPART(quarter, '2014/04/28'); Result: 2 SELECT DATEPART(hour, '2014/04/28 09:49'); Result: 9 SELECT DATEPART(minute, '2014/04/28 09:49'); Result: 49 SELECT DATEPART(second, '2014/04/28 09:49:12'); Result: 12 SELECT DATEPART(millisecond, '2014/04/28 09:49:12.726'); Result: 726