Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 4, Problem 8P
Explanation of Solution
Entity Relational (ER) Diagram:
The following figure illustrates the ER Diagram for given business rules using Crow’s Foot notation:
Explanation:
The above ERD contains several entities such as “PATIENT”, “APPOINTMENT”, “DOCTOR”, “PATIENT_PAYMENT”, “VISITING”, “BILL”, “VISIT_DETAIL”, “INSURANCE” and “INSURANCE_PAYMENT”. Each entity has its own attributes.
- A doctor keeps several patients; similarly, a patient may request many doctors. Hence the relationship between the entities “DOCTOR” and “PATIENT” is M: N...
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Using the Crow’s Foot notation, create an ERD that can be implemented for a medical clinic, using the following business rules:-
A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many patients. However, each appointment is made with only one doctor and one patient.
Emergency cases do not require an appointment. However, for appointment management purposes, an emergency is entered in the appointment book as “unscheduled.”
If kept, an appointment yields a visit with the doctor specified in the appointment. The visit yields a diagnosis and, when appropriate, treatment.
With each visit, the patient’s records are updated to provide a medical history.
Each patient visit creates a bill. Each patient visit is billed by one doctor, and each doctor can bill many patients.
Each bill must be paid. However, a bill may be paid in many installments, and a payment may cover more than one bill.
A patient may pay the bill directly, or…
Using the Crow's foot notation,create an ERD that can be implemented for a medical clinic using the following business rules:A patient can make many appointments with one or more doctors in the clinic,and a doctor can accept appointments with many patients.however each oppointment is made with only one doctor and one patient.Emergency patients do not ned an appointment .However,for appointment management purposes,an emergency is entered in the appointment book as"unscheduled."If kept,an appointment yields a visit with the doctor specified in the appointment.The visit yields a diagnosis and ,when appropriate, treatment.With each visit,the patient's records are updated to provide a medical history.Each patient visit creates a bill.Each patient visit is billed by one doctor,and each doctor can bill many patients.Each bill must be paid.However a bill may be paid in many instalments,and a payment may cover more than one bill.A patient may pay the bill directly,or the bill may be the basis…
Using the Crow’s Foot notation, create an ERD that can be implemented for a medical clinic, using the following business rules:
A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many patients. However, each appointment is made with only one doctor and one patient.
Emergency cases do not require an appointment. However, for appointment management purposes, an emergency is entered in the appointment book as “unscheduled.”
If kept, an appointment yields a visit with the doctor specified in the appointment. The visit yields a diagnosis and, when appropriate, treatment.
With each visit, the patient’s records are updated to provide a medical history.
Each patient visit creates a bill. Each patient visit is billed by one doctor, and each doctor can bill many patients.
Each bill must be paid. However, a bill may be paid in many installments, and a payment may cover more than one bill.
Show all connectivities, relationship…
Chapter 4 Solutions
Database Systems: Design, Implementation, & Management
Ch. 4 - Prob. 1RQCh. 4 - What is a strong (or identifying) relationship,...Ch. 4 - Prob. 4RQCh. 4 - Suppose you are working within the framework of...Ch. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - Discuss the difference between a composite key and...Ch. 4 - What two courses of action are available to a...Ch. 4 - What is a derived attribute? Give an example. What...Ch. 4 - Prob. 11RQ
Ch. 4 - Discuss two ways in which the 1:M relationship...Ch. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Briefly, but precisely, explain the difference...Ch. 4 - What are multivalued attributes, and how can they...Ch. 4 - Prob. 17RQCh. 4 - Prob. 18RQCh. 4 - What two attributes must be contained in the...Ch. 4 - Describe precisely the composition of the...Ch. 4 - Prob. 21RQCh. 4 - Prob. 1PCh. 4 - Create a complete ERD in Crows Foot notation that...Ch. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10PCh. 4 - Prob. 11C
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