All MCQs

This statement is correct because data localization means that transforming a distributed query into operations on fragments at relevant sites.

data localization is used in Advanced DBMS because transforming a distributed query into operations on fragments at relevant sites.

The correct answer explains data localization in the context of Distributed Databases.

This statement is correct because distributed query processing means that processing a query whose required data may reside at multiple sites.

distributed query processing is used in Advanced DBMS because processing a query whose required data may reside at multiple sites.

The correct answer explains distributed query processing in the context of Distributed Databases.

This statement is correct because two-phase commit means that a distributed protocol with prepare and commit/abort phases to ensure atomic commitment.

two-phase commit is used in Advanced DBMS because a distributed protocol with prepare and commit/abort phases to ensure atomic commitment.

The correct answer explains two-phase commit in the context of Distributed Databases.

This statement is correct because replication transparency means that users need not know which copy of replicated data is being accessed.

replication transparency is used in Advanced DBMS because users need not know which copy of replicated data is being accessed.

The correct answer explains replication transparency in the context of Distributed Databases.