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Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
BuyFind

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

Solutions

Chapter
Section
Chapter 2, Problem 4P
Textbook Problem
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Using Figure P2.4 as your guide, work Problems 4–5. The DealCo relational diagram shows the initial entities and attributes for the DealCo stores, which are located in two regions of the country.

FIGURE P2.4 THE DEALCO RELATIONAL DIAGRAM

Chapter 2, Problem 4P, Using Figure P2.4 as your guide, work Problems 45. The DealCo relational diagram shows the initial

Identify each relationship type and write all of the business rules.

Expert Solution
Program Plan Intro

The following diagram shows the “DealCo relational diagram” that describes the initial entities and attributes for the “DealCo stores”, which is located in two regions of the country.

Database Systems: Design, Implementation, & Management, Chapter 2, Problem 4P

Explanation of Solution

Business rules and its relationship types:

The following are the business rules that are identified from the above given relational diagram.

  • The business rule that governs the relationship between “REGION” and “STORE” can be written as “One region can be the location for many stores, but each store is located in only one region”. Therefore, the relationship between “REGION” and “STORE” is 1:M (One -to-Many)...

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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 is sparse data? Give an example.Ch. 2 - What are the basic characteristics of a NoSQL...Ch. 2 - Prob. 21RQCh. 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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