Databases and Data Warehouses

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Rafael K


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March 27, 2015








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What is business intelligence and its role? Business intelligence is knowledge about your customers, your competitors, your partners, your competitive environment, and your internal operations that gives you the ability to make effective, important, and strategic business decisions. IT tools help process information to create business intelligence according to: a) OLTP ? gathering of input information, processing that information and updating existing information to reflect the gathered and processed information...
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Databases and DBMS support OLTP. (Operational database) b) OLAP ? manipulation of information to support decision making. Data warehouses and data mining tools support OLAP. 3. How are transactions recorded and processed. Transaction ? A record of an event. Processing ? Procedures to store, retrieve, and manipulate records of events...
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