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Database Systems: Concepts, Design and Applications by S. K. Singh

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1.1. Introduction

In today’s competitive environment, data (or information) and its efficient management is the most critical business objective of an organisation. It is also a fact that we are in the age of information explosion where people are bombarded with data and it is a difficult task to get the right information at the right time to take the right decision. Therefore, the success of an organisation is now, more than ever, dependent on its ability to acquire accurate, reliable and timely data about its business or operation for effective decision-making process.

Database system is a tool that simplifies the above tasks of managing the data and extracting useful information in a timely fashion. It analyses and guides the activities or ...

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