Data Model: Data Model refers to the logical inter relationship and the data flow involved between different data elements. It defines how data is processed, connected and stored inside the system. A data model can be either concrete or abstract. It consists of components such as data types, data items, data sources, event sources, and links. The three styles of data model are conceptual data model, physical data model, and logical data model.

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Answer 1

Question

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

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Answer 2

Question

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

Answer 6

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

Answer 7

Chapter 2, Problem 1RQ

Program Plan Intro

Data Model:

Data Model refers to the logical inter relationship and the data flow involved between different data elements.

It defines how data is processed, connected and stored inside the system.

A data model can be either concrete or abstract.

It consists of components such as data types, data items, data sources, event sources, and links.

The three styles of data model are conceptual data model, physical data model, and logical data model.

Answer 8

Expert Solution & Answer

Explanation of Solution

Importance of Data Models:

The main function of a data model is that they help to understand complexity of real world environment.
The data model is used by the database designer to enhance the interaction among designers, application programmers, and end users.
Data models will help to represent the required data and the format that is used for different businesses processes.
They help to prevent data redundancy.
The database design tools have made the development of data models to possibly diminish the database design error potential.
It also helps to eliminate the discrepancies between the database designs components and the real world data environment.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Ch. 2 - Prob. 1RQ Ch. 2 - What is a business rule, and what is its purpose...Ch. 2 - How do you translate business rules into data...Ch. 2 - Prob. 4RQ Ch. 2 - Explain how the entity relationship (ER) model...Ch. 2 - Prob. 6RQ Ch. 2 - Prob. 7RQ Ch. 2 - Prob. 8RQ Ch. 2 - Prob. 9RQ Ch. 2 - Prob. 10RQ

Explanation of Solution

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Chapter 2 Solutions