Describe a concrete example of the cleansing of data from existing databases for a data warehouse....

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Describe a concrete example of the cleansing of data from existing databases for a data warehouse. Show possible reasons for which extracted data should be cleansed and how should this be done. Describe a concrete example of the cleansing of data from existing databases for a data warehouse. Show possible reasons for which extracted data should be cleansed and how should this be done.

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Extraction of customer information from a customer relationship management CRM system is a tangible example of data purification from existing databases for a data warehouse This is an acronym that st... View the full answer