Subject: Database Systems

Can you please answer questions 4, 5, and 6? I will give a thumb up.

Consider the following tables (Salesman and Customer, respectively). 4) Assume that the salesman's hourly salary is calculated by multiplying the salesman's commission with 100. create a view of salesmen showing their corresponding salaries. Return customer name, commission and salary.-.-9 5) Write an SQL query to find the difference between the salespeople's salaries and the average salary.--9 6) Write an SQL query to show all people involved in this business and their role (customer or salesman). Return ID, name, and role.-.9