To calculate age in SQL

DECLARE @DOB Date='07/03/1993';

SELECT CAST(ROUND((DATEDIFF(DAY,@DOB,GETDATE())/365.0),0) AS INT) AS AGE

OUTPUT:-
----
AGE
----
25

select convert(nvarchar(max),Month('1988-10-20'))+' and ' + convert(nvarchar(max), DATEDIFF(year, '1988-10-20',getdate()))+' age of '+'1988-10-20' as Age 

Declare @DOB datetime='1988-10-20'
select Month(@DOB) [Month]