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Database Systems: Design, Implemen...

11th Edition
Steven + 8 others
Publisher: Cengage Learning
ISBN: 9781285196145

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BuyFindarrow_forward

Database Systems: Design, Implemen...

11th Edition
Steven + 8 others
Publisher: Cengage Learning
ISBN: 9781285196145
Chapter 2, Problem 2RQ
Textbook Problem
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What is a business rule, and what is its purpose in data modeling?

Program Plan Intro

Data modeling:

  • Data modeling is a process used to analyze requirements needed to support the process within the scope of information systems in organizations.
  • It particularly focuses on the data so project team performs the necessary parts of the project using data model.
  • It provides the future requirement of the current system within the capacity of the West Star marinas.

Explanation of Solution

Business rule:

  • Business rules define the entities, relationships, and attributes that are used in the database.
  • It includes the process, tactics, aspects, and aesthetics of the business.
  • It is the statement used to define or limit some business feature.
  • It is planned to declare the business structure or to organize the behavior of business...

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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 - 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...

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