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SQL DML/DDL The following relational schema forms part of an Employees database. The primary keys are underlined and foreign keys are in italics. Job (jobID, job Title, 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 employeeID works as jobID at a department departmentID located at locationID. The employee has dependent(s) dependentID. 1. List employee names and dependent names. Also, include employees without any dependents. 2. For employees who earn less or equal to 4000, list the employee names, their department names, and dependent names. 3. What is the average salary of Manager (jobTitle) in each department? Show departments names, job identification of 'Manager and average salary. Give the new column an alias