WhereScape, a provider of agile development solutions for building and extending data warehouses, announced today that MedAssets, a financial improvement partner for healthcare providers, has purchased WhereScape RED. Using WhereScape RED, MedAssets will be able to conduct agile, iterative development of its new Teradata Data Warehouse Appliance running the database from Teradata (NYSE: TDC), the analytic data solutions company.