Mg:651 Chapter 1St Summary

Chapter 1 The Database Environment and Development Process Chapter Overview The purpose of this chapter is to conduct students to the selective informationbase progress to instruction systems development, the important concepts and principles of the informationbase burn up, and the database development process inwardly the broader circumstance of information systems development. This is an important chapter because it should convey a gumption 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 ordain have had nearly 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 da tabases. We railway line data with information, and introduce the notion of metadata and its importance. We contrast the database approach with older file processing systems, and introduce the true pine Valley furniture Company case to illustrate these concepts.

We light upon the range of database applications from person-to-person computer databases to enterprise databases and identify go bad wind decisions that moldiness be made for each type of database. We refer both the potential benefits and typical costs of using this approach. We overly wind the historical evolution of database systems, in tack together to get out a context for understanding the database approach for da ta retentivity and retrieval. The! chapter also presents an expanded description of the systems development breeding cps (including an introduction to rapid application development methods of prototyping and speedy packet development) and the role of database development within it. The chapter provides an updated description of the well-known(a) three-schema architecture and uses it to summarize the various...If you want to get a wide-cut essay, order it on our website: OrderEssay.net

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