Employee(employeeID,employeeName) Department(departmentID,departmentName) WorksIN(employee,department) Payroll(checkNumber,employee,year,amount)

1.Find the names of employees who work in at most two departments.

2.An employee is said to be loyal to the company if the employee has been working in the company for at least 3 years, i.e., the employee got paid in at least 3 different years, find the ids and names of loyal employees.