datename in sql

SQL Server DATENAME() Function:
Return a specified part of a date:

SELECT DATENAME(year, '2017/08/25') AS DatePartString;

Syntax
DATENAME(interval, date)

Parameter Values
Parameter	Description

interval	Required. The part to return. Can be one of the following values:

year, yyyy, yy = Year
quarter, qq, q = Quarter
month, mm, m = month
dayofyear = Day of the year
day, dy, y = Day
week, ww, wk = Week
weekday, dw, w = Weekday
hour, hh = hour
minute, mi, n = Minute
second, ss, s = Second
millisecond, ms = Millisecond
date	Required. The date to use

Example:
Return a specified part of a date:

SELECT DATENAME(yy, '2017/08/25') AS DatePartString;
Example
Return a specified part of a date:

SELECT DATENAME(month, '2017/08/25') AS DatePartString;
Example
Return a specified part of a date:

SELECT DATENAME(hour, '2017/08/25 08:36') AS DatePartString;
Example
Return a specified part of a date:

SELECT DATENAME(minute, '2017/08/25 08:36') AS DatePartString;