Answers for "how to find second and third highest salary in mysql"

2nd highest salary in mysql

#2nd Most highest salary using Limit & Order By
SELECT Salary FROM (SELECT Salary FROM Employee ORDER BY salary DESC LIMIT 2) AS Emp ORDER BY salary LIMIT 1;

how to find 2nd highest salary in mysql

#2nd Most highest salary using dense_rank()
SELECT sal 
FROM (SELECT dense_rank() over(ORDER BY sal DESC) AS R, sal FROM emp) employee 
WHERE R = 2;