How to find third or nᵗʰ maximum salary from salary table?

Question

How to find third or n^th maximum salary from salary table(EmpID, EmpName, EmpSalary) in optimized way?

Answer 1

select * from employee order by salary desc;

+------+------+------+-----------+
| id   | name | age  | salary    |
+------+------+------+-----------+
|    5 | AJ   |   20 | 100000.00 |
|    4 | Ajay |   25 |  80000.00 |
|    2 | ASM  |   28 |  50000.00 |
|    3 | AM   |   22 |  50000.00 |
|    1 | AJ   |   24 |  30000.00 |
|    6 | Riu  |   20 |  20000.00 |
+------+------+------+-----------+




select distinct salary from employee e1 where (n) = (select count( distinct(salary) ) from employee e2 where e1.salary<=e2.salary);

Replace n with the nth highest salary as number.