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David T. Bourgeois Learning Objectives Upon successful completion of this chapter, you will be able to: define what an information system is by identifying its major components; describe the basic history of information systems; and describe the basic argument behind the article “Does IT Matter?” by Nicholas Carr. Introduction If you are reading this, you are most likely taking a course in information systems, but do you even know what the course is going to cover? When you tell your friends or your family that you are taking a course in information systems, can you explain what it is about? For the past several years, I have taught an Introduction to Information Systems course. The first day of class I ask my students to tell me what they think an information system is. I generally get answers such as “computers,” “databases,” or “Excel.” These are good answers, but definitely incomplete ones. The study of information systems goes far beyond understanding some technologi...

Difference between Data Warehouse and Database Key difference:  A data warehouse is a database used to store data. It is a central repository of data in which data from various sources is stored. The data warehouse is then used for reporting and data analysis. A database, on the other hand, is the basis or any data storage. It is an organized collection of data. A database is used to store data while a data warehouse is mostly used to facilitate reporting and analysis. A data warehouse is a database used to store data. It is a central repository of data in which data from various sources is stored. A data warehouse is also known as an enterprise data warehouse. The data warehouse is then used for reporting and data analysis. It can be used for creating trending reports for senior management reporting such as annual and quarterly comparisons. The purpose of a data warehouse is to provide flexible access to the data to the user. Data warehousing generally refers to the combi...