E-R model HW

E-R model HW Basically you will be completeing several ER Models. the entire textbook, and powerpoint slides from the class. It can be however long you want, just saitisfy the questions. 4 questions in length. The questions involve a picture and the attached PDF shows the questions and models 1. Chapter 6, Exercise 5 2. Chapter 6, Exercise 7 3. Chapter 6, Exercise 8 4. Chapter 6, Exercise 10 106 Developing Windows-Based and Web-Enabled Information Systems 5. The Buy relationship in the following E-R model is transformed into a relational model as follows. Is there any problem with this transformation? If so, discuss the problem(s) and make corrections. Employee ID Name Address Phone Email DateOfHire EmHistory Salary Contact Customer Ticket Buy TicketNo Price BuyDate Member LoginName Password Person O Type Customer ID Type TicketNo BuyDate Ticket TicketNo Price 6. Transform the E-R model in Exercise 5 to a relational model. 7. The transformation of an E-R model to a relational model is shown in the following. Is this transformation correct? If not, explain what is incorrect and why it is incorrect, and make a correction. DependentID StudentID StudentName Address Student Has Dependent DateOfBirth Logical Database Design 107 Student StudentID StudentName Address Dependent DependentID DateOfBirth StudentID 8. Transform the E-R model of the movie theater database from Exercise 8 in Chapter 5 to the relational model of the movie theater database. 9. Transform the following E-R model to a relational model. Customer Phone Name Address Room RoomNo Type Size View Smoking Floor Make Reservation Assign | | | < ReservationNo Check-InTime Check-OutTime PaymentMethod Charges ChargeID Amount FinalBillAmount Price 10. The PatientVisit relation keeps information about the patients’ visits to doctors. a. Identify the functional dependencies in the relation. b. Is this relation in 2NF, 3NF, and BCNF, and why? If not, show your steps of performing the normalization to transform the relation into 2NF, 3NF, and BCNF. Show all referential integrity constraints in the relational model that result from the normalization. c. Identify the functional dependency in each relation in the final relational model produced in b. PatientVisit PatientID Name Address VisitDate DoctorID DoctorName P1209 J. Johns 134 West 3/3/02 D1256 A. Frank P1209 J. Johns 134 West 9/10/02 D1256 A. Frank P1215 J. Johns 200 West 3/3/02 D4523 D. Gomez P1221 F. Brown 223 South 6/7/02 D6712 G. Kelly P8912 F. Dong 45 East 9/12/02 D8917 M. Julius

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