Active Data Warehouse

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Active Data Warehouse

Active Data Warehouse is repository of any form of captured transactional data so that they can be used for the purpose of finding trends and patterns to be used for future decision making.

According to Bill Inmon, a prominent data warehousing practitioner, data warehouse defined in terms of subject-oriented, time variant, non-volatile and integrated.

Subject-oriented means that the data captured is organized to have similar data linked together. Time-variant data changes are recorded and tracked so that a change patterns can be determined over time. Non-volatile means that when data is stored and committed, it can be read only and never deleted for comparison with newer data.

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