將資料分析及儲存起來是一種企業上應有的策略,可給予企業高層決策階層及相關人員一種彈性存取及分析重要資訊的方式。然而,如何去定義其需求及成功地建置一個資料倉儲,是會比起一般所謂的應用系統的開發來講,是困難了許多。原因即在於一般的應用系統開發時其對應的業務單位需求均已十分明白,然而資料倉儲的建置卻是必須了解並且能夠彈性分析資料需求模式,而這些模式每次並不是一成不變的。 建置資料倉儲的成功因素:必須要能夠在深入了解企業資訊的需求並能吻合企業營運方向的基礎上,提供全面且具策略價值的資訊給它的使用者,不論是高階主管,或是一般相關業務人員。成功發展及建置資料倉儲極具複雜性:不光是在新的資訊科技上做改變即可,要滿足使用者資訊及報表需求的多樣化及快速轉變更是件不簡單的事,而資料倉儲的最重要發展方向即在發現有價值的資訊及儲存下來,提供決策時重要而有策略價值的參考。 最後資料倉儲的價值是創造一個決策形成的資訊基礎,這些特徵與得到的利益有:從應用系統或其他來源擷取有意義的資料集,去解決問題、流程控制與分享資訊。促進決策的形成,建構企業多維角度觀點。結合統計分析與報表工具去發展企業洞察力。支援決策的策略是一項趨勢,能帶相關人員在日常作業中,何者是對?何者是錯?最大利益為何?
Data warehousing is a business strategy that gives executives and decision maker the ability to flexibly access and analyze key information.However, defining the requirements and successfully implementing a data warehouse is much more difficult than developing an operational application or database. The successful implementation of a data warehouse that delivers great strategic and business value must be based on an understanding of the business information needs and its alignment with the business drivers. The value of the data warehouse is to create a foundation for information based decision making.And the task of developing and implementing a data warehouse successfully is complicated by technological changes as well as changes in information and reporting needs. The data warehouse must align with the company’s business priorities and deliver value to business users. The value of the data warehouse is to create a foundation for information based decision making. Extracts meaningful subsets of data from operational systems or other sources to solve problems, control processes and share information.Enhances decision making by enabling a multi-dimensional view of the business.Combines with statistical analysis and ad hoc reporting tools to develop business insights.Supports a rising-tide strategy - by the single action of making information available to , Companies can bring benefits to all the decision maker as they go about their daily work
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