Chapter 5Transactional Functions

Introduction

Transactions are the means through which data is transformed into meaningful information. Static data is of very little use to the business. A good transaction processing system provides continuous data updates, collating and compiling it into useful information and then presenting it in a readable form.

Transactions are also the vehicle through which the user accesses the raw as well as processed data. Three categories of transactions are available to the user:

  • The transaction to input data into the system
  • The transaction to query information from the system
  • The transaction to generate reports

Chapter 3, “A Study of Function Point Analysis,” focused on the overall FPA estimation method, but that ...

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