Eg for second largest using sub querysalary_master: (Sample Data)

id name salary1 AAA 200002 BBB 180003 CCC 19000

SELECT MAX(salary) from salary_master

SELECT * from salary_master where salary < (SELECT MAX(salary) from salary_master)

Output:id name salary2 BBB 180003 CCC 19000Now will process the MAX(salary) instead of *we will get the output Second Largest Value

SELECT MAX(salary) from salary_master where salary < (SELECT MAX(salary) from salary_master)

Output:20000