LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.C.A. DEGREE EXAMINATION - COMPUTER APP.
THIRD SEMESTER – NOVEMBER 2012
CA 3800 - DATABASE MANAGEMENT CONCEPTS
Date : 01/11/2012
Time : 9:00 - 12:00
Dept. No.
Max. : 100 Marks
PART – A
Answer ALL questions:
10 X 2 = 20
1. Define database.
2. List the types of attributes.
3. Define view. Give the syntax.
4. What is trigger?
5. What is mirroring of database?
6. Define multilevel indices.
7. Define query processing.
8. What is query optimization?
9. List the cases of conflict serialiazability.
10. What is two-phase locking?
PART – B
Answer ALL questions:
11. a) Write note on duties of administrator and types of users.
Or
b) Explain the extended E-R features.
12. a) Elucidate the parts and basic structure of SQL.
Or
b) Explain 3NF with example and compare it with BCNF.
13. a) Explain the method and managing of variable length records with example.
Or
b) Write note on the usage of Multiple key access.
14. a) Discuss the selection operation algorithms.
Or
b) Describe materialized view and its maintenance.
15. a) Write note on concurrent execution with examples.
Or
b) Discuss Oracle as an efficient database management system.
5 X 8 = 40
PART – C
Answer any TWO questions:
(Q.No. 16 is compulsory)
2 X 20 =40
16. a) Elaborate all the DML commands with syntax and example.
b) Discuss the properties of database language.
17. a) Explain SQL join types with syntax and example.
b) Draw and explain storage device hierarchy.
18. a) Write note on the equivalence rules.
b) Discuss the methods of shadow paging with example.
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