find nth highest salary in sql

SELECT * FROM Employee WHERE sal = 
         (
            SELECT MIN(sal) FROM Employee 
            WHERE  sal IN (
                                 SELECT DISTINCT TOP N
                                     sal FROM Employee 
                                         ORDER BY sal DESC
                             )
        )

SELECT TOP 1 salary
FROM (
SELECT DISTINCT TOP N salary
FROM #Employee
ORDER BY salary DESC
) AS temp
ORDER BY salary

select * from(
select ename, sal, dense_rank() 
over(order by sal desc)r from Employee) 
where r=&n;

To find to the 2nd highest sal set n = 2
To find 3rd highest sal set n = 3 and so on.