Consider the following ER diagram, which shows aspects of the business of a real estate agency. As a part of the Assignm

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Consider The Following Er Diagram Which Shows Aspects Of The Business Of A Real Estate Agency As A Part Of The Assignm 1 (156.07 KiB) Viewed 26 times

Consider the following ER diagram, which shows aspects of the business of a real estate agency. As a part of the Assignment 1 activities, we have learned how to map entities and relationships in a E-R model into a relational database schema. We have used the 7-step mapping process. Supervise > 0..1 Staff Branch Work At 1..1 Branch No (PK) Address Street Suburb Postcode Telephone (0.2] ON Staff No (PK) Name Address 1..1 Position Salary 0..N Manage b..N 1..1 Notes Fee Process Customer 0..N Job Lodges 0.. Cust No (PK) Address Street Suburb Postcode Email 1..1 Job No (Partial Key) Fault As a result of incorrect application of 7-step mapping process, it was mapped into following relations. Branch(BranchNo, B_Street, B_Suburb, B_Postcode, ManagerStaffNo*, Start_Date, Monthly_Bonus, Telephone1, Telephone2, Telephone3, S_Name*) Staff(StaffNo, S_Name, S_Address, Position, Salary, Branch_No*, Supervisor StaffNo*, Supervisor StaffName) Job(JobNo, CustNo*, Fault, StaffNo*, Notes, Fee) Customer(CustNo, C_Street, C_Suburb, C_Postcode, C_Email) 1. For each of these relations, write down all functional dependencies. If there are no functional dependencies among attributes, you must state so. Do not write down trivial functional dependencies, such as Email → Email.