Mg:651 Chapter 1St Summary

Chapter 1 The Database Environment and Development Process Chapter Overview The purpose of this chapter is to inclose students to the selective informationbase progress to info systems development, the important concepts and principles of the informationbase tone-beginning, and the database development process deep down the broader circumstance of information systems development. This is an important chapter because it should convey a find of the central importance of databases in todays information systems environment. The musical theme of an organizational database is intuitively appealing to closely students. However, many students give have little or no background or experience with databases. Others exit have had nigh experience with a PC database (such as Microsoft Access), and consequently will have a limited perspective concerning an organizational approach to databases. In this chapter we introduce the basic concepts and definitions of database s. We railway line data with information, and introduce the notion of metadata and its importance. We contrast the database approach with older archive processing systems, and introduce the true pine Valley furniture Company case to illustrate these concepts.

We light upon the range of database applications from ain computer databases to enterprise databases and identify work over wind decisions that moldiness be made for each type of database. We refer twain the potential benefits and typical costs of using this approach. We overly puff the historical evolution of database systems, in tack together to get out a context for understanding the database approach for data retenti vity and retrieval. The chapter al! so presents an expanded description of the systems development purport cps (including an introduction to rapid application development methods of prototyping and straightaway packet development) and the role of database development within it. The chapter provides an updated description of the known three-schema architecture and uses it to summarize the various...If you want to get a near essay, order it on our website: OrderEssay.net

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