Management Information System
Write an introduction for the assignment on the topic of DataWarehousing,its implementation and Benefits/advantages.
Answer
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Data warehousing is the process of constructing and using a datawarehouse. A data warehouse is constructed by integrating data frommultiple heterogeneous sources that support analytical reporting,structured and/or ad hoc queries, and decision making. Datawarehousing involves data cleaning, data integration, and dataconsolidations.
There are decision support technologies that help utilize thedata available in a data warehouse. These technologies helpexecutives to use the warehouse quickly and effectively.