Logical Modeling in Systems Analysis

In: Computers and Technology

Submitted By eturner22192
Words 3155
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Logical Modeling in
Systems Analysis

Table of Contents

Topic Page

Chapter One
Abstract . . . . . . . . . . . . . . . . . . . 3

Chapter Two
Introduction . . . . . . . . . . . . . . . . . . 4
Information Systems . . . . . . . . . . . . . . . 5
IS Analysis Phase . . . . . . . . . . . . . . . . 5
Modeling Definition and Concepts. . . . . . . . . 5
Traditional Approach Logical Models . . . . . . . . 7
Object Oriented Approach Logical Models . . . . . . 9

Chapter Three
Current Topics in Data Modeling . . . . . . . . . . . 12

Bibliography . . . . . . . . . . . . . . . . . . 14

CHAPTER ONE

Abstract

Today’s organizations are utilizing their core competencies while exploiting the core competencies of subcontractors to produce highly differentiated and high quality products at a lower cost. Business process reengineering has played a key role in remaining competitive, enabled through information technology. Existence of the automated information system, developed through Systems Analysis and Design, has become a requirement for survival of today’s companies. Process requirements are identified during the analysis phase and documented through logical modeling. A model is an abstraction that represents some aspect of an IS system to be built and may be high level or low level and include system components and their interactions. Modeling is performed by the systems analyst since it aids in identifying requirements and simplifies the many different views of a new…...

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