Answers for "Write an SQL query to find out the second highest salary from an Employees table."

how to get second highest salary in each department in sql

SELECT E.Employers_name, E.dep_number, E.salary
FROM Employers E
WHERE 1 = (SELECT COUNT(DISTINCT salary) 
        FROM Employers B 
        WHERE B.salary > E.salary AND E.dep_number = B.dep_number)
group by E.dep_number