Second Highest Salary

Question

Write a SQL query to get the second highest salary from the Employee table.

    | Id | Salary |
    | 1  | 100    |
    | 2  | 200    |
    | 3  | 300    |
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Answer 1

SELECT id, MAX(salary) AS salary 
FROM employee 
WHERE salary IN
(SELECT salary FROM employee MINUS SELECT MAX(salary) 
FROM employee); 

You can try above code to find 2nd maximum salary. The above code uses MINUS operator. For further reference use the below links https://www.techonthenet.com/sql/minus.php https://www.geeksforgeeks.org/sql-query-to-find-second-largest-salary/

Answer 2

select case 
when cnt>1 then SecondHighestSalary
else null end as SecondHighestSalary
from 
(select top 1 Salary as SecondHighestSalary,
(select count(distinct Salary)  from Employee) as cnt 
from (
select distinct top 2 Salary 
from Employee
order by Salary desc ) as sal
order by SecondHighestSalary asc) as b

Answer 3

you should be able to do that with OFFSET 1/FETCH 1:

https://technet.microsoft.com/en-us/library/gg699618(v=sql.110).aspx

Answer 4

Here is the easy way to do this

SELECT MAX(Salary) FROM table WHERE Salary NOT IN (SELECT MAX(Salary) FROM table);