Schaum's Outline Series

122
3. Draw a DFD for the B&B system (See Problem 4.3).
See Fig. 8-10.
4. Draw a DFD for the dental office system (see Problem 4.2).
See Fig. 8-11.
patient
name
make appt.
cancel
Date Avail. date
Name
Expenses
Payments
Check date
Record
expenses
Record
payments
dentist
appointment
procedures
Fig. 8-9. Dental office object model.
Make
reservations
Reservations
& expenses
file
CHAPTER 8 Requirements
daily sched.
Date Answer
query
Availability
Date
Name
Date
Check date
Check patient
data
Finances
date
Generate
res. list
Report
finances
Fig. 8-10. Data flow diagram for B&B.
Avail. date
Patient
data
Make
appointment
Appointment
file
Patient
records
Generate
schedules
Answer
query
Fig 8-11. Data flow diagram for dental office.
Confirmation
Daily reservations
Weekly schedule
Finance report
Confirmation
Daily schedule
Weekly schedule
Availability