Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Expert Solution & Answer
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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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Business Rules:
Each musician at NewTalent should have a name, address, and phone number on the system. The Instruments used in the songs have a unique name, musical genre (i.e. rock, pop, hip hop), and type (i.e. string, piano, guitar). Every album recorded under the NewTalent label has a title, copyright date, format, and an album identifier. Each song recorded has a title and an author. Musicians can play several instruments, and an instrument can be played by multiple musicians. Every album contains several songs, but a song can only appear on one album. Songs are performed by one or more musicians, and a musician can perform numerous songs. Each album has one musician acting as its producer, although a musician can produce multiple albums.
Create an ERD for the above scenario that describes its business rules.
Use Crow's Foot notations and make sure to include all of the following:
All entities correctly identified with Primary key and any foreign key attributes.…
Systems Analysis and Design
Use any suitable tool, represent, using the proper symbols, the following action:
A young inventors club has decided to implement a website to motivate its members. The website has the following data. Members are requested to fill the application forms. Member details are stored in member file. Accounts department gets the details from member file and decides the membership fees. And it sends the receipt to the member.
A student may register for classes during a specified registration period. To register, a
student must see their advisor. The advisor must approve each course that the student has
selected. The advisor will use the registration system to determine if the student has met the
course prerequisites, is in good academic standings and is eligible to register. If the advisor
approves the courses, the advisor enters the student's college id into the course registration
system. The course registration number for each course is entered. The course description,
course number and section for those courses will automatically display. The system will check
for schedule conflicts before saving the registrations. A bill for the courses will print in the
Bursar's office. The student should proceed to pick it up.
b)Draw a class diagrams which represents the generic objects and relationships described
above. Make c)sure to specify multiplicities for all associations shown in your diagrams.----
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 - Prob. 11RQCh. 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. 9C
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