Over the years, have been involved with few of the data warehousing efforts. As a concept, I believe that having a functional and active data ware house is essential for an organization. Data warehouses facilitate easy analysis and help analysts in gathering insights about the business. But my practical experiences suggest that the reality is far from the expectations. Many of the data warehousing initiatives end up as a high cost, long gestation projects with questionable end results. I have spoken to few of my associates who are involved in the area and it appears that quite a few of them share my view. When I query the users and intended users of the data warehouses, I hear issues like: The system is inflexible and is not able to quickly adapt to changing business needs. By the time, the changes get implemented on the system, the analytical need for which the changes were introduced is no longer relevant. The implementors of the datawarehouse are always look
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