Exam Details
| Subject | Distributed Database | |
| Paper | ||
| Exam / Course | Diploma -VIEP-Computer Science and Engineering(DCSVI)/Advanced Level O Certificate Course In Cse (ACCSVI) B.Tech. Computer Science And Engineering (BT | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages 2
IBICSE-007 1
B.Tech. -VIEP -COMPUTER SCIENCE AND ENGINEERING (BTCSVI)
Term-End Examination
December, 2016
BICSE-007 DISTRIBUTED DATABASE
Time hours Maximum Marks: 70
Note: Answer any seven questions. All questions carry equal marks.
1. What is fragmentation in DDBMS What are the different types of fragmentation? Why is fragmentation a useful concept in distributed database design? 6
Discuss any two advantages of distributed databases. 4
2. Differentiate between centralized and distributed databases. 6
What is replication in DDBMS? What are its advantages? 4
3. Explain the problems encountered in DDBMS in the context of concurrency control and recovery. 10
4. What is a lock? Discuss granularity in locks. Describe the different types of locks used in concurrency control along with their compatibilities. 10
5. Discuss communication failures in DDBMS. 10
6. What are the desirable properties of a transaction 4
Discuss the issues related to federated database systems. 6
7. What are checkpoints in DDBMS How are checkpoints used for recovery in DDBMS 10
8. Discuss the integrity constraints in distributed databases. 10
9. Describe the reference architecture for distributed databases. 10
IBICSE-007 1
B.Tech. -VIEP -COMPUTER SCIENCE AND ENGINEERING (BTCSVI)
Term-End Examination
December, 2016
BICSE-007 DISTRIBUTED DATABASE
Time hours Maximum Marks: 70
Note: Answer any seven questions. All questions carry equal marks.
1. What is fragmentation in DDBMS What are the different types of fragmentation? Why is fragmentation a useful concept in distributed database design? 6
Discuss any two advantages of distributed databases. 4
2. Differentiate between centralized and distributed databases. 6
What is replication in DDBMS? What are its advantages? 4
3. Explain the problems encountered in DDBMS in the context of concurrency control and recovery. 10
4. What is a lock? Discuss granularity in locks. Describe the different types of locks used in concurrency control along with their compatibilities. 10
5. Discuss communication failures in DDBMS. 10
6. What are the desirable properties of a transaction 4
Discuss the issues related to federated database systems. 6
7. What are checkpoints in DDBMS How are checkpoints used for recovery in DDBMS 10
8. Discuss the integrity constraints in distributed databases. 10
9. Describe the reference architecture for distributed databases. 10
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