ocr: THE FEDERATED DATABASE MODEL Vietaschema DB2 CA-IDMS Manages: Mainframe (MVS, VMS) Application A 1. Busmess rules 2. Commits Oracle Sybase 3. Recovery Minicomputers (VAX, Unix) 4. Backups Application B 5.: Concurrency FoxPro Paradox PC networks (Windows, OS/2) Figure 3. The federated database architecture is similar to other DBMS architectures but is generally the most effective modelj for heterogeneous databases.
