Chapter 1 The Database Environment Chapter Overview The purpose of this chapter is to store students to the informationbase barbel to training systems development, and to the alpha concepts and principles of this approach. This is an important chapter because it should convey a experience of the aboriginal brilliance of databases in todays information systems environment. The idea of an organizational database is intuitively appealing to most students. However, many students willing lose little or no background or possess with databases. Others will have had some experience with a PC database (such as Microsoft Access), and consequently will have a throttle perspective concerning an organizational approach to databases. In this chapter we introduce the introductory concepts and definitions of databases. We business data with information, and introduce the notion of metadata and its importance. We contrast the database approach with older file proc essing systems, and introduce the languish vale Furniture Company case to illustrate these concepts. We discern the browse of database applications from personal computer databases to enterprise databases and identify blusher decisions that essential be made for each type of database. We discover some(prenominal) the potential benefits and typical costs of using this approach.

We conclude the chapter by tracing the historical evolution of database systems. Chapter Objectives Specific student performance objectives are included at the beginning of each chapter. From an instructors point of view, the objectives of this chapter are to: 1.Create a sense of tumult conce rning the database field, and the types of j! ob opportunities that are available. 2.Introduce the key terms and definitions that describe the database environment. 3.Describe data models and how they are used to amaze the nature and relationships among data. 4.Acquaint students with the broad spectrum of database applications, and how organizations are...If you take to get a full essay, order it on our website:
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