Systems Analysis and Design (Shelly Cashman Series) (MindTap Course List)
11th Edition
ISBN: 9781305494602
Author: Scott Tilley, Harry J. Rosenblatt
Publisher: Cengage Learning
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Question
Chapter 9, Problem 1Q
Program Plan Intro
What are the problems in Mario’s system and why same problems did not occur in Danica’s system?
Expert Solution & Answer
Explanation of Solution
Given Information: There are two Auto shops similar to each other but with different information systems. Mario’s Auto shop used two file-oriented system and Danica’s Auto shop used
Explanation:
Mario’s system is divided into two file processing systems in order to manage the business. These two systems required two different files for data storage without having any link to each other. These two separate storages make that data inconsistent. That was the problem with Mario’s system. For example, there are three data items associated with Mario’s system named as
The same problem did not occur in Danica’s system because it used a database management system with two tables linked to each other. So, it would not cause any duplicity of data items and hence would not impact the quality of the data.
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Chapter 9 Solutions
Systems Analysis and Design (Shelly Cashman Series) (MindTap Course List)
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