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Database Systems: Concepts, Design and Applications, 2nd Edition by Shio Kumar Singh

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CHAPTER7

Enhanced Entity-Relationship (EER) Model

7.1 INTRODUCTION

The basic concepts of an E-R model discussed in Chapter 6 are adequate for representing database schemas for traditional and administrative database applications in business and industry such as customer invoicing, payroll processing, product ordering and so on. However, it poses inherent problems when representing complex applications of newer databases that are more demanding than traditional applications such as Computer-aided Software Engineering (CASE) tools, Computer-aided Design (CAD) and Computer-aided Manufacturing (CAM), Digital Publishing, Data Mining, Data Warehousing, Telecommunications applications, images and graphics, Multimedia Systems, Geographical Information ...

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