Osmania University (OU) 2007 B.E Computer Science database management system ,-2008 - Question Paper
Code No. 4218
FACULTY OF ENGINEERING B.E. 3/4 (CSE) I Sem. Suppl. Examination June - 2008 Subject: Data Base Management System
Note : (a) Answer all questions from Part-A and (b) Answer five questions from Part-B.
PART - A (25 marks)
1. What is meant byData Abstraction? Explain. 3
2. Briefly explain about Weak Entity. 2
3. Describe aboutDomain Constraints. 3
4. Explain when a relation is said to be in First Normal Form. 2 '
5. List and explain about various steps in Query Processing. 3
6. Briefly explain aboutPinned Record. 2
7. Explain how to transform a Relational Expression. 3
8. Draw and explain State Diagram of a Transaction. 2
9. What is meant by Database Buffering ? Explain. 3
10. Explain about Stable Storage, 2
PART-B (5x10=50 marks)
11. (a) Describe about Storage Manager. 5 (b) Explain how to reduce E-R diagrams to tables. 5
12. (a) Explain about the following 3+3
(i) Security
(ii) Third Normal Form
(b) Differentiate between group by and order by clauses in SQL. 4
13. (a) Construct the B+Tree and B-Tree for the following set of search key values where a node in the tree can accommodate three pointers. 3+3
15 25 35 45 55 65 75 85
(b) Describe about Dynamic Hashing. 4
14. (a) Describe about ACID Properties. 4 (b) Explain the following 3+3
(i) Conflict Equivalent
(ii) Catalog Information
15. (a) Describe about Immediate Database Modification. 4 (b) Explain the following. 3+3
(i) Transaction Rollback
(ii) Parallel Database Architecture
16. (a) What is the functionality of following operations in Relational Algebra ? 6
Rename Division Natural-Join
(b) Explain how to design the database. 4
17. Write short notes on any two of the following. 5+5
(a) Encryption
(b) Assertions
(c) Distributed Systems
C- 103/600
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| Earning: Approval pending. |
