The Importance of IS Management

Prentice Hall, Inc.

7-23

nServer-based DB: In a distributed DB, each node has a copy of the DBMS and dictionary. In server DB, applications must know where data is located; does not support location transparency. Appropriate for higher-performance transaction processing.

nFederated databases: Existing DB defined independently and retain rules for others to access its data. Works when incompatible DB (text, alphanumeric, and image) are needed in a single application.

Alternatives to “True” Distributed Databases