Year and Month differences using DATEDIFF

	SELECT DATEDIFF(YYYY, '2010-1-10', GETDATE()) 'YEARS DIFF'
		,DATEDIFF(M, '2010-1-10', GETDATE()) ' MONTHS DIFF'
		,DATEDIFF(DAY, '2010-1-10', GETDATE()) ' DAYS DIFF'
		,DATEDIFF(DAY, '2010-1-10', GETDATE())/365 ' YEARS'
		,DATEDIFF(M, '2010-1-10', GETDATE())/12 ' YEARS'
		,DATEDIFF(DAY, '2010-1-10', GETDATE())/30 'MONTHS' 

/* OUTPUT 
YEARS DIFF	 MONTHS DIFF	 DAYS DIFF	 YEARS	 YEARS	MONTHS
4	         56	         1706	         4	  4	56

*/