NOW() ~= GETDATE()

--SQL SERVER https://msdn.microsoft.com/en-us/library/ms188383.aspx
SELECT GETDATE()
2006-08-15 12:16:05.050
 
--MySQL https://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_now
SELECT NOW()
2006-04-12 13:47:36