SELECT tbldata.* FROM tbldata WHERE (tbldata.DateAdded <= DATE_SUB(now(), INTERVAL 3 HOUR));
Source: http://linuxapachemysqlphp5.blogspot.com/2013/04/date-subtraction-in-mysql.html
SELECT tbldata.* FROM tbldata WHERE (tbldata.DateAdded <= DATE_SUB(now(), INTERVAL 3 HOUR));
Source: http://linuxapachemysqlphp5.blogspot.com/2013/04/date-subtraction-in-mysql.html