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Typically, a hospital patient receives medications that have been ordered by a particular doctor. Because the patient often receives several medications per day, there is a 1:M relationship between PATIENT and ORDER. Similarly, each order can include several medications, creating a 1:M relationship between ORDER and MEDICATION. a. Identify the business rules for PATIENT, ORDER, and MEDICATION. b. Create a Crow’s Foot ERD that depicts a relational database model to capture these business rules.

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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

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Chapter
Section
Chapter 2, Problem 9P
Textbook Problem
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Typically, a hospital patient receives medications that have been ordered by a particular doctor. Because the patient often receives several medications per day, there is a 1:M relationship between PATIENT and ORDER. Similarly, each order can include several medications, creating a 1:M relationship between ORDER and MEDICATION.

  1. a. Identify the business rules for PATIENT, ORDER, and MEDICATION.
  2. b. Create a Crow’s Foot ERD that depicts a relational database model to capture these business rules.

Expert Solution

Explanation of Solution

(a)

Business Rules:

The business rules for PATIENT, ORDER, and MEDICATION can be written as follows.

  • A patient can have many medical orders but each order is written for a single patient...
Expert Solution

Explanation of Solution

(b)

In the Crow’s Foot model by the three-pronged crow’s foot to exhibit the “many” side relationship.

  • In this notation, “1”is represented as a short line segment.
  • “M” is represented as three-pronged crow’s foot.
  • The relationship name is represented above the relationship line...

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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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