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In a construction company, a new system has been in place for a few months and now there is a list of possible changes/updates that need to be done. For each of the changes/updates, specify what type of maintenance needs to be done: (a) corrective, (b) adaptive, and (c) perfective. a. An error in the size of one of the fields has been identified and it needs to be updated status field needs to be changed. b. The company is expanding into a new type of service and this will require to enhancing the system with a new set of tables to support this new service and integrate it with the existing data. c. The company has to comply with some government regulations. To do this, it will require adding a couple of fields to the existing system tables.

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Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

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Chapter
Section
BuyFindarrow_forward

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
Chapter 9, Problem 6P
Textbook Problem
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In a construction company, a new system has been in place for a few months and now there is a list of possible changes/updates that need to be done. For each of the changes/updates, specify what type of maintenance needs to be done: (a) corrective, (b) adaptive, and (c) perfective.

  1. a. An error in the size of one of the fields has been identified and it needs to be updated status field needs to be changed.
  2. b. The company is expanding into a new type of service and this will require to enhancing the system with a new set of tables to support this new service and integrate it with the existing data.
  3. c. The company has to comply with some government regulations. To do this, it will require adding a couple of fields to the existing system tables.

a)

Program Plan Intro

Maintenance:

  • When the system becomes operational the requirements of the user gets changed.
  • Based on the requirement change request made by the end user the requirement of the system gets changed at the maintenance phase.
  • The changes that are made requires maintenance activities and that are categorized in three following ways they are:
    • Corrective maintenance:
      • It is the maintenance that is made in response with system errors.
    • Adaptive maintenance:
      • It is the maintenance that is made when there is a change in the business environment.
    • Perfective maintenance:
      • It is the maintenance activity that is made when the system needs to be enhanced.

Explanation of Solution

The given scenario comes under the category of “corrective maintenance

b)

Program Plan Intro

Maintenance:

  • When the system becomes operational the requirements of the user gets changed.
  • Based on the requirement change request made by the end user the requirement of the system gets changed at the maintenance phase.
  • The changes that are made requires maintenance activities and that are categorized in three following ways they are:
    • Corrective maintenance:
      • It is the maintenance that is made in response with system errors.
    • Adaptive maintenance:
      • It is the maintenance that is made when there is a change in the business environment.
    • Perfective maintenance:
      • It is the maintenance activity that is made when the system needs to be enhanced.

c)

Program Plan Intro

Maintenance:

  • When the system becomes operational the requirements of the user gets changed.
  • Based on the requirement change request made by the end user the requirement of the system gets changed at the maintenance phase.
  • The changes that are made requires maintenance activities and that are categorized in three following ways they are:
    • Corrective maintenance:
      • It is the maintenance that is made in response with system errors.
    • Adaptive maintenance:
      • It is the maintenance that is made when there is a change in the business environment.
    • Perfective maintenance:
      • It is the maintenance activity that is made when the system needs to be enhanced.

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