INFORMATION SYSTEM OF TELEPHONE SUBSCRIBERS {CAS]ij STUIlY OF NIGERIAN GSM PROl'lDERS

Abstract

Prior to 1999, communication could be seen to be at stand still. The emergence of the Global System Mobile (GSM) Telecommunication has ~ught about changes: Over the years, the number of subscribers to a telephone provider keeps rising and expanding and the relationship of those subscribers together with other network providers is of great importance. This research work shows the rate of subscription, services and preference for the said network. Also, the entity relation and relational models are derived and the information reports from database of subscribers are generated. "