COURSE CODE - 1050211

UG DEGREE EXAMINATION APR 2015

BCA / BCA (L)

MAJOR VI DATA BASE MANAGEMENT SYSTEM

(For Candidate Admitted From Academic Year 2011 Onwards)

Time: 3 Hours Max.Marks:75

PART - A

Answer All the Questions: 10 X 2 = 20

Answer should not exceed pages.

1. What is meant by DBMS?

2. What are the views of data?

3. Define weak entity.

4. What is meant by constraints?

5. What is meant by domain relational calculus?

6. List out the aggregate functions in SQL.

7. Define normalization.

8. What is meant by nested relations?

9. What are the complex data types available?

10. Write the syntax for assignment operations.

PART - B

Answer All the Questions: 5 X 5 = 25

Answer should not exceed 1 pages.

11. a. Write the purpose of Data Base systems.

(Or)

b. Explain the Data Base languages.

12. a. Short note on UML.

(Or)

b. Short note on data Base design.

13. a. Write the basic structure of SQL queries.

(Or)

b. What is meant by functional dependencies? Explain it.

14. a. Explain the granting and revoking privileges.

(Or)

b. Why do you need for complex data types?

15. a. Explain the bind variable and substitution variables.

(Or)

b. Short note on Data Encryption.

PART - C

Answer any Two Questions: 2 X 15 = 30

Answer should not exceed 5 pages.

16. Compare DBMS versus File System.

17. Discuss in detail about the Entity relationship model.

18. Explain the normalization in detail.

19. Compare object oriented versus object relational data base.

20. Discuss in detail about the data types available in PL/SQL.