James A.O'Brien Introduction to Information Systems Eleventh Edition 4 Logical Data Elements Personnel Database Payroll Benefits File File Employee Employee Employee Employee Record 1 Record 2 Record 3 Record 4 Name SS Salary Name SS Salary Name SS Salary Name SS Salary Data Data Data Data Data Data Data Data Data Data Data Data James A. O’Brien Introduction to Information Systems Eleventh Edition 4 Logical Data Elements Employee Record 2 Employee Record 1 Employee Record 3 Employee Record 4 Name SS Salary Name SS Salary Name SS Salary Name SS Salary Data Data Data Data Data Data Data Data Data Data Data Data Personnel Database Payroll File Benefits File