Abstract: The invention provides methods and apparatus, including computer program products, for processing data in a cache computer system, the cache computer system providing data base management capabilities to external computer systems, the cache computer system providing main memory space to the external client computer systems, the data representing orders in a supply chain management application, the each order comprising parameters specifying the order, and an ID identifying the order, the cache computer system further comprising capabilities for reading the order data in the main memory areas, and capabilities for transferring the order data from and into the main memory area to the external computer systems.