Exam 12: Distributed Database Management Systems

A user-friendly ____________________ is one advantage of a DDBMS.

____ transparency exists when the end user or programmer must specify both the fragment names and their locations.

A distributed ____ allows a transaction to reference several different remote database processing sites.

____ is a disadvantage of a DDBMS.

The ____ guarantees that if a portion of a transaction operation cannot be committed,all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

Distributed processing shares the database's logical processing among two or more physically independent sites that are connected through a network.

One of the advantages of a DDBMS is growth facilitation.

The database description,known as the distributed ____________________ schema,is the common database schema used by local TPs to translate user requests into subqueries (remote requests)that will be processed by different DPs.

A transaction processor is also known as the ____________________ processor.

A ____ contains the description of the entire database as seen by the database administrator.