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B.TECH.
THEORY EXAMINATION (SEM–VI) 2016-17
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DISTRIBUTED DATABASE
Max. Marks : 100
Note: Be precise in your answer. In case of numerical problem assume data wherever not provided.
SECTION – A
- Explain the following: 10 x 2 = 20
- What is a cascade less schedules?
- State serializability. How it is tested?
- Differentiate strict two phase locking protocol and rigorous two phase locking protocol.
- What are the timestamps associated with each data item?
- Define replication.
- What is Fragmentation? Give its types.
- Provide the Concepts in Orphan in distributed database.
- How database recovery can be done?
- What the difference is between distributed and replicated database?
- Define Distributed Deadlock detection.
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SECTION – B
- Attempt any five of the following questions: 5 x 10 = 50
- Compare conflict and view serializability with example.
- Explain timestamp based concurrency algorithms in detail.
- State the purpose of 2PC protocol. Explain 2PC in detail.
- Explain the need for the two-phase commit protocol. Then describe the two phases.
- Illustrate the cost based query optimization for Distributed Database in detail.
- Mention about Recovery in Message Passing System. Explain concept of inconsistent states.
- What are Multiversion Schemes? Explain its importance in Multiversion Protocol.
- Describe query optimization algorithms.
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SECTION - C
Attempt any two parts of the following questions:
- 2 x 15 = 30 Explain how the transactions are managed in a distributed database. Also differentiate between Homogeneous and Heterogeneous Database.
- Brief about Traditional recovery techniques with example.
- What are the objects of distributed query processing? Explain.
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This download link is referred from the post: AKTU B-Tech Last 10 Years 2010-2020 Previous Question Papers || Dr. A.P.J. Abdul Kalam Technical University
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