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Database Systems: Design, Implemen...

11th Edition
Steven + 8 others
ISBN: 9781285196145

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BuyFindarrow_forward

Database Systems: Design, Implemen...

11th Edition
Steven + 8 others
ISBN: 9781285196145
Textbook Problem

FIGURE P1.5 The File Structure for Problem 5-8

images

Given your answer to Problem 7, what new files should you create to help eliminate the data redundancies found in the file shown in Figure P1.5?

Program Plan Intro

Data redundancy:

  • Data redundancy is the presence of repeated data in the storage device. It consists of duplicate data that is additional to the actual data.
  • In this, the data related to a folder can be seen in other folders also. For example, file related to science folder can be seen in mathematics or social.
Program Explanation

New files created to eliminate the data redundancies:

  • The available data resources are project, employee and job.
  • The project data should include its name, coordinator, budget and many such. It should also have information about the time required like number of hours for different types of jobs...

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