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Database Systems: Design, Implemen...

13th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781337627900

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BuyFindarrow_forward

Database Systems: Design, Implemen...

13th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781337627900
Chapter 2, Problem 17P
Textbook Problem
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Write the business rules that are reflected in the ERD shown in Figure P2.17.

FIGURE P2.17 THE CROW’S FOOT ERD FOR PROBLEM 17

Chapter 2, Problem 17P, Write the business rules that are reflected in the ERD shown in Figure P2.17. FIGURE P2.17 THE CROWS

Program Plan Intro

The Crow’s Foot ERD for the relationship between THEATER, MOVIE, REVIEW and REVIEWER is given below.

In the given model, the connectivity’s “1” is represented by a short line segment, and “M” is represented by the three-pronged crow’s foot and the relationship name “shows”, “receives”, and “writes” is written above the relationship line.

Database Systems: Design, Implementation, & Management, Chapter 2, Problem 17P

Explanation of Solution

Business Rules:

From the above given Crow’s Foot ERD model, the relationships can be described through a set of business rules as follows.

  • A theater show many movies and a movie can be shown in many theaters...

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Chapter 2 Solutions

Database Systems: Design, Implementation, & Management
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Ch. 2 - What is a relationship, and what three types of...Ch. 2 - Give an example of each of the three types of...Ch. 2 - What is a table, and what role does it play in the...Ch. 2 - What is a relational diagram? Give an example.Ch. 2 - What is connectivity? (Use a Crows Foot ERD to...Ch. 2 - Describe the Big Data phenomenon.Ch. 2 - What does the term 3 Vs refer to?Ch. 2 - What is Hadoop, and what are its basic components?Ch. 2 - What are the basic characteristics of a NoSQL...Ch. 2 - What is logical independence?Ch. 2 - What is physical independence?Ch. 2 - Use the contents of Figure 2.1 to work Problems...Ch. 2 - Use the contents of Figure 2.1 to work Problems 13...Ch. 2 - Use the contents of Figure 2.1 to work Problems 13...Ch. 2 - Using Figure P2.4 as your guide, work Problems 45....Ch. 2 - Using Figure P2.4 as your guide, work Problems 45....Ch. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Typically, a hospital patient receives medications...Ch. 2 - United Broke Artists (UBA) is a broker for...Ch. 2 - Using the ERD from Problem 10, create the...Ch. 2 - Convert the ERD from Problem 10 into a...Ch. 2 - Describe the relationships (identify the business...Ch. 2 - Create a Crows Foot ERD to include the following...Ch. 2 - Write the business rules that are reflected in the...Ch. 2 - Create a Crows Foot ERD for each of the following...Ch. 2 - Write the business rules that are reflected in the...

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