This month's column is co-authored by Bob Terdeman.

The data warehouse was born into a world of commerce. Because market share, profitability and enhancement of revenues are mission-critical objectives, data warehousing has thrived and survived. In becoming part of the business establishment, data warehousing has lowered the cost of information and greatly shortened the amount of time required to access that information. The tremendous advantage in the access to and the processing of information that is afforded by data warehousing has been the cornerstone of competitive information systems in many arenas including telecommunications, retailing, banking/finance, insurance and pharmaceuticals.

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