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Database - Distributed Databases

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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.

Home » Engineering » Database » Distributed Databases » General Questions

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:

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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:

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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:

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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:

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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:

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