Data Warehouse

Data Warehouse is a process that turns raw data into potentially valuable information assets, usable by people and systems by: (a) applying standards and consistency to the data; (b) organizing the data into subject areas across business functional lines; (c) integrating the data;  (e) enforcing data consistency over time; (f) acting as a stable and reliable source; and (g) providing easy accessibility. *

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* The Data Warehousing Institute, May 2004