Info warehousing is among the most popular company subject matters, and there’s extra to knowing facts warehousing applied sciences than you could imagine. discover the fundamentals of information warehousing and the way it enables information mining and company intelligence with information Warehousing For Dummies, second Edition.Data is maybe your company’s most vital asset, so your info warehouse should still serve your wishes. The totally up-to-date moment variation of knowledge Warehousing For Dummies is helping you know, boost, enforce, and use information warehouses, and gives a sneak peek into their destiny. You’ll examine to:Analyze top-down and bottom-up facts warehouse designsUnderstand the constitution and applied sciences of knowledge warehouses, operational info shops, and knowledge martsChoose your venture staff and observe most sensible improvement practices in your info warehousing projectsImplement a knowledge warehouse, step-by-step, and contain end-users within the processReview and improve current facts garage to make it serve your needsComprehend OLAP, column-wise databases, assisted databases, and middlewareUse info mining intelligently and locate what you needMake expert offerings approximately experts and information warehousing productsData Warehousing For Dummies, second variation additionally exhibits you the way to contain clients within the trying out procedure and achieve worthwhile suggestions, what it takes to effectively deal with an information warehouse undertaking, and the way to inform in case your undertaking is on course. You’ll locate it’s the main priceless resource of information at the subject!
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But, while it does, the vendor community and options have begun to consolidate. The selection pool is rapidly diminishing. In 2006, Microsoft acquired ProClarity, jumping into the data warehousing market. In 2007, Oracle purchased Hyperion, SAP acquired Business Objects, and IBM merged with Cognos. The data warehousing leaders of the 1990s have been gobbled up by some of the largest providers of information system solutions in the world. indd 18 1/26/09 7:23:41 PM Chapter 1: What’s in a Data Warehouse?
Then, Mary returns to her desk, report in hand, and picks up the telephone. First, she calls her problem-child store and, after the manager comes to the phone, spends the next half hour making follow-on information requests from the data warehouse, discussing the result of each request with the store manager, and considering various options, such as sales promotions. After Mary takes her regular two-mile lunchtime walk, she calls the manager of another store in Madison County, Iowa, whose second-quarter sales were relatively flat after experiencing at least 15-percent growth every quarter for the past three years (a fact she obtained from the data warehouse when she noted the lack of growth in the second quarter).
The contents of the warehouse (the data) aren’t important; rather, how the data is used in everyday business life is what makes the warehouse really useful. , a national chain of video-rental stores that specializes in movies from the 1950s and earlier. Mary is John’s counterpart in another district. indd 25 1/26/09 7:24:04 PM 26 Part I: The Data Warehouse: Home for Your Data Assets the rollout of MegaRetroMania’s brand-new data warehouse, an event that finally occurred a month ago. John and Mary both attended the data warehousing orientation class in which they figured out how to run reports and make information requests by using the contents of the warehouse.
Data Warehousing For Dummies, 2nd Edition by Hammergren