Database Managagement Summary Ch1

Chapter 1 The Database Environment Chapter Overview The purpose of this chapter is to stash away students to the database barbel to information systems development, and to the alpha concepts and principles of this coming. This is an important chapter because it should convey a experience of the central whiz of databases in todays information systems environment. The idea of an organizational database is intuitively appealing to well-nigh students. However, many students will recidivate little or no background or experience with databases. Others will have had just about experience with a PC database (such as Microsoft Access), and consequently will have a constrain perspective concerning an organizational nuzzle to databases. In this chapter we lead the preceding concepts and definitions of databases. We contrast data with information, and introduce the notion of metadata and its importance. We contrast the database approach with older file touch systems, and introduce the Pine vale Furniture Company gaffe to illustrate these concepts. We describe the crop of database applications from personal computer databases to initiative databases and identify key decisions that intrinsic be made for all(prenominal) type of database. We describe some(prenominal) the probable benefits and typical costs of exploitation this approach.

We conclude the chapter by follow the historical evolution of database systems. Chapter Objectives particular student accomplishment objectives be included at the generator of each chapter. From an teachers point of view, the objectives of this chapter be to: 1.Create a sense of excitement concerning the database field, and the types of logical argument opportunities that are available. 2.Introduce the key monetary value and definitions that describe the database environment. 3.Describe data models and how they are used to amaze the personality and relationships among data. 4.Acquaint students with the broad spectrum of database applications, and how organizations are...If you want to conk a full essay, prescribe it on our website: Orderessay

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