Developing Information Systems

12     IMPLEMENTATION AND CHANGEOVER

Tahir Ahmed

CONTENTS OF THIS CHAPTER

This chapter covers the following topics:

• implementation in the lifecycle;
• planning for implementation and changeover;
• file and data conversion or creation;
• the principles and problems of data mapping;
• planning, testing and performing data conversion;
• migration of software modules;
• installation of hardware and infrastructure;
• the role of supporting documentation, including user manuals;
• approaches to training;
• defining training needs and training effectiveness;
• approaches to introducing a new system – ‘big-bang’, phased implementation, pilot implementation, parallel running;
• the implementation plan;
• references and further reading.

IMPLEMENTATION IN THE LIFECYCLE

The ...