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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.C.A. DEGREE EXAMINATION - COMPUTER APP.
THIRD SEMESTER – NOVEMBER 2011
CA 3800 - DATABASE MANAGEMENT CONCEPTS
Date : 31-10-2011
Time : 9:00 - 12:00
Dept. No.
Max. : 100 Marks
PART – A
Answer ALL questions
10 X 2 = 20
1. Define DBA.
2. List the types of attributes.
3. What is data manipulation language?
4. What is referential integrity?
5. Define RAID.
6. Give the various kinds of indices.
7. What is query processing?
8. Define materialized view.
9. List the commands for transaction ending.
10. Give the procedures of B-link
link-tree locking protocol.
PART – B
Answer ALL questions
11. a) Describe features
tures of users and administrators of database.
Or
b) Elucidate the basic ER notations with an example.
12. a) Explain the set operations of SQL.
Or
b)Write short notes on properties of decomposition.
13. a) Explain various types of file organization.
Or
b) Illustrate B-tree
tree indexing of file.
14. a) Write short notes on the following query processing:
(i) Merge (ii) Hash
Or
b) Discuss the evaluation techniques of expression.
15. a) What is concurrent execution? Explain its state with example.
Or
b) Describe the two-phase
phase locking protocol with example.
5 X 8 = 40
PART – C
Answer any TWO questions
(Q. No. 16 is compulsory)
2 X 20 =40
16. a) Explain the 4NF properties with example.
b) With a neat diagram explain the database system structure.
17. a) Define Trigger. Explain its features with example.
b) Explain the hierarchy of storage devices.
18. a) Explain all the equivalence rule for relational expressions.
b) Write an essay on deadlock handling of database transaction.
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