Database - Distributed Databases

Why Database Distributed Databases?

In this section you can learn and practice Database Questions based on "Distributed Databases" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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How to solve Database Distributed Databases problems?

You can easily solve all kind of Database questions based on Distributed Databases by practicing the objective type exercises given below, also get shortcut methods to solve Database Distributed Databases problems.

Exercise :: Distributed Databases - General Questions

1. 

A distributed database has which of the following advantages over a centralized database?

A. Software cost
B. Software complexity
C. Slow Response
D. Modular growth

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

2. 

An autonomous homogenous environment is which of the following?

A. The same DBMS is at each node and each DBMS works independently.
B. The same DBMS is at each node and a central DBMS coordinates database access.
C. A different DBMS is at each node and each DBMS works independently.
D. A different DBMS is at each node and a central DBMS coordinates database access.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

A transaction manager is which of the following?

A. Maintains a log of transactions
B. Maintains before and after database images
C. Maintains appropriate concurrency control
D. All of the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

4. 

Location transparency allows for which of the following?

A. Users to treat the data as if it is at one location
B. Programmers to treat the data as if it is at one location
C. Managers to treat the data as if it is at one location
D. All of the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

5. 

A heterogeneous distributed database is which of the following?

A. The same DBMS is used at each location and data are not distributed across all nodes.
B. The same DBMS is used at each location and data are distributed across all nodes.
C. A different DBMS is used at each location and data are not distributed across all nodes.
D. A different DBMS is used at each location and data are distributed across all nodes.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.