Resumen
This article reports on the data warehousing in health sector in the U.S. As the medical costs in the U.S. are escalating, health plan policyholders are concerned about receiving the best treatment possible for as little cost as possible. Anthem Blue Cross and Blue Shield is one of the largest health care management companies in the U.S. In 1995, with a $1O.6-million contract, Anthem chose Teradata relational database management system by NCR Corp. as the platform on which it would build a consolidated database, thus creating a single repository system that would significantly improve company wide access to data. Better access to information is helping Anthem improve the quality and reduce the cost of care for its policyholders by reducing fraud, negotiating lower rates with providers, accurately managing risks and saving lives by increasing the knowledge of network physicians. Anthem also wanted a system that could grow as the company grew. Teradata was viewed as the most appropriate technology for databases of the size and complexity demanded by the company's mid west operations