Database Systems: Design, Implementation, & Management
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
Question
100%
Book Icon
Chapter 2, Problem 14P
Program Plan Intro

The business rules for the “ProdCo” Company are written as follows.

  • Each sales representative writes many invoices.
  • Each invoice is written by one sales representative.
  • Each sales representative is assigned to one department.
  • Each department has many sales representatives.
  • Each customer can generate many invoices.
  • Each invoice is generated by one customer.

Blurred answer
Students have asked these similar questions
Luxury-Oriented Scenic Tours (LOST) provides guided tours to groups of visitors to theWashington, D.C. area. In recent years, LOST has grown quickly and is havingdifficulty keeping up with all of the various information needs of the company. Thecompany’s operations are as follows:LOST offers many different tours. For each tour, the tour name, approximatelength (in hours), and fee charged is needed. Guides are identified by anemployee ID, but the system should also record a guide’s name, home address,and date of hire. Guides take a test to be qualified to lead specific tours. It isimportant to know which guides are qualified to lead which tours and the datethat they completed the qualification test for each tour. A guide may be qualifiedto lead many different tours. A tour can have many different qualified guides.New guides may or may not be qualified to lead any tours, just as a new tour mayor may not have any qualified guides.Every tour must be designed to visit at least three…
3- Write the business rules that are reflected in the ERD shown below (Note that the ERD reflects some simplifying assumptions. For example, each book is written by only one author. Also, remember that the ERD is always read from the "1" to the "M" side, regardless of the orientation of the ERD components.) PUBLISHER BOOK publishes submits wrtes CONTRACT AUTHOR signs %23
2. Create a Crow’s Foot ERD to include the following business rules for the ProdCo company: a. Each sales representative writes many invoices. b. Each invoice is written by one sales representative. c. Each sales representative is assigned to one department. d. Each department has many sales representatives. e. Each customer can generate many invoices. f. Each invoice is generated by one customer.
Knowledge Booster
Background pattern image
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education