(Established under section 3 of UGC Act,1956)
Course & Branch :B.Tech - BIN
Title of the Paper :Introduction to Database systems Max. Marks :80
Sub. Code :622305 Time : 3 Hours
Date :29/04/2010 Session :AN
______________________________________________________________________________________________________________________
PART - A (10 x 2 = 20)
Answer ALL the Questions
1. List the advantages of File Processing Systems.
2. What is data abstraction?
3. Define super key and foreign key.
4. What do you mean by generalization?
5. Highlight the advantages of hierarchical model.
6. Mention the use of tree structure diagram.
7. What is the need of normalization?
8. What is functional dependency?
9. List the aggregate function used in SQL.
10. What is Data Definition Language(DDL)?

PART – B (5 x 12 = 60)
Answer All the Questions
11. With a neat sketch, explain the architecture of Database
Management System. List its advantages.
(or)
12. (a) Discuss the use of Relational model with an example. (8)
(b) Write the features of Object Oriented model. (4)
13. (a) Draw the ER diagram for Hospital Information system.
(b) Write about mapping constraints.
(or)
14. Explain the procedure for reducing the E-R schema to tables.
Illustrate with an example.
15. Explain the DBTG CODASYL model in detail.
(or)
16. Write a detailed note on Hierarchical model with an example.
17. Explain the different normal forms. Illustrate with examples.
(or)
18. Describe the various data storage methods.
19. Explain the various SQL statements with their syntax.
(or)
20. (a) Discuss the use of join in SQL. Give an example. (8)
(b) Write about Data Manipulation Language (DML) (4)