New database war shapes up - Tech News - CNET.com

New database war shapes up - Tech News - CNET.com "IBM's Xperanto, which builds on XML, a standard for data exchange, is based on the concept of federated data management. Instead of creating a single, larger database --a model, in part, espoused by rival Oracle--a federated scheme creates a virtual database linked to all the relevant data. In this model, data sources are queried from their native locations and database management servers consolidate the results and make them available to users."