get day from date in sql code example

Example 1: get day in sql

SELECT DATEPART(m, GETDATE()) as theMonth  -- returns 11
SELECT DATEPART(d, GETDATE()) as theDay   -- returns 20
SELECT DATEPART(yy, GETDATE()) as theYear   -- returns 2013

Example 2: sql day from datetime

SET @@lc_time_names = 'fr_FR';
SELECT DAYNAME('2000-01-01') dayname;
+---------+
| dayname |
+---------+
| samedi  |
+---------+

Example 3: selecting specific day in colum sql

extract(dow from payment_date)