Data warehousing has become something of a buzzword, and it's easy to understand why. The volume of data collected at a chain's point of sale, for example, holds invaluable information about products, promotions, customers and cashiers, to name a few.
ehouse system, or too much of its computing power is used chasing far-flung facts.
In addition, because such systems require state-of-the-art technology, initial costs of building a data warehouse remain high. However, informat