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Databases and Data Warehouses


Information is powerful. Information is useful in telling an organization how its current operations are performing and estimating and strategizing how future operations might perform. New perspectives open up when people have the right information and know how to use it. The ability to understand, digest, analyze, and fi lter information is key to success for any professional in any industry. This chapter demonstrates the value an organization can uncover and create by learning how to manage, access, and analyze organizational information.

It is important to distinguish between data and information. Data are raw facts that describe the characteristics of an event. Characteristics for a sales event could include the date, item number, item description, quantity ordered, customer name, and shipping details. Information is data converted into a meaningful and useful context. Information from sales events could include best-selling item, worst-selling item, best customer, and worst customer.











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