When a distributed DBMS is tightly integrated,which of the following statements is not true?
A) The distributed data manager may access the internal state of local data managers
B) The distributed DBMS may include legacy databases
C) The distributed data manager efficiently supports distributed queries
D) The distributed data manager efficiently supports distributed transactions

Question

Quizplus · Accepted Answer

If a distributed DBMS is tightly integrated, it means that all parts of the system work closely together and operate as a single system. This implies that the distributed DBMS would not include legacy databases, as they would not be part of the tightly integrated system. Therefore, statement B is not true. Statements A, C, and D are true, as a tightly integrated system would allow efficient distributed queries and transactions, as well as access to the internal state of local data managers.

When a Distributed DBMS Is Tightly Integrated,which of the Following