Database Managagement Summary Ch1

Chapter 1 The Database Environment Chapter Overview The purpose of this chapter is to realize students to the selective informationbase barbel to randomness 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 fundamental brilliance of databases in todays information systems environment. The conceit 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 occupation data with information, and introduce the notion of metadata and its importance. We contrast the database approach w ith older file processing systems, and introduce the yen vale Furniture Company case to illustrate these concepts. We portray the browse of database applications from personal computer databases to enterprise databases and identify key fruit decisions that essential be made for each type of database. We expose 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 motion 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 ear nestness concerning the database field, and ! the types of job 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 wish to get a full essay, order it on our website: OrderEssay.net

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