database

PART B: SQL DML/DDL (20 points) The following relational schema forms part of an Employees database. The primary keys are underlined and foreign keys are in italics. Job (obID, jobTitle, minSalary, maxSalary) Dependent (dependentID, firstName, lastName, relationship, employeeID) Department (departmentID, departmentName, locationID) Location locationID, street, postcode, city, state) Employee (employeeID, firstName, lastName, phoneNumber, salary, jobID, departmentID) Employee employeeld works as jobID at a department departmentID located at locationID. The employee has dependent(s) dependentID. 3. What is the average salary of Manager' (obTitle) in each department? Show departments names, job identification of Manager' and average salary. Give the new column an alias. (5 points)