My own experience in constructing a decision-support environment suggests that a data warehouse must be built to support key business drivers or performance indicators. For example, customer retention may be a key performance indicator, and the data warehouse would be built to track this indicator. In your experience, how many data warehouse projects are built to provide this sort of support of tracking key performance indicators?
Sid Adelman's Answer: You are quite right. Data warehouses should be built to support key business drivers. Unfortunately, most organizations have not made that connection and many data warehouse applications are initiated by a department with an immediate need that may only be peripherally related to any business drivers. Most organizations have no means of establishing data warehouse project priorities and have no idea about how to make the data warehouse a key to their success.
David Marco's Answer: Key performance indicators, such as customer retention, are quite common in a data warehouse application. In my experience, I have encountered key performance indicators in about 40 percent of the data warehousing applications. The challenge is defining good indicators that the key decision-makers in your company find valuable. Then discover the specifics of each indicator.
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