Скачать или смотреть Data Warehouse Introduction Overview - Cognos tutorial - Bigclasses

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Major Topics covered in this video are:
•How does the Data warehouse works in Cognos ?
•What is Staging Data base?
•Staging Data Base is, extracting the data from the source data and place them in a Temporary data base
•What is a Heterogeneous Data bases ?
•What is Transformation of Data?
•Getting the required information which is useful for analysis from the existing Information
•What is the use of the Data in Data ware house in a company?
•The data in the data ware house is used for the business analysis and the future business planning
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