Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 9, Problem 6P

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.

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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