Active data warehousing is a process, not a specific technology. Teradata has popularized the term "active data warehousing," tried to brand the spelling "@ctive data warehousing" and deserves credit for providing examples of some big, successful active data warehouses. However, if a more generic term is preferred, then "closed-loop processing" is a useful synonym, though it only partially captures the concept. Your data warehouse (DW) is active if

If a firm's data warehouse is trying to address these requirements, is still big and fat, but does not close the loop, then it is not active enough and is suffering from data warehousing obesity. It needs to become more active. That is not a trivial undertaking. A significant piece of design and implementation work will be needed to close the loop. Firms should approach active data warehousing with the following recommendations in mind.

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