Section A.txt

1.  Differentiate centralized and decentralized design.

2.  What is data abstraction?

3.  What are the differences between serial and non serial schedules?

4.  What are the advantages and disadvantages of DDBMS?

5.  What layers of transparency should be provided with a DDBMS?

6.  What is data replication?

7.  What is local mapping transparency?

8.  Describe two phase locking protocol.

9.  What is load balancing?

10. What are the disadvantages of file server architecture?

11. Discuss main tasks associated with the administration of a data warehouse.

12. What is warehouse manager?

13. Describe Codd rules for OLAP tools.

14. What is predictive modeling?

15. Define primary key and super key.