14N/157
CLASS: B.Com. C.A.
St. JOSEPH’S COLLEGE (AUTONOMOUS) TIRUCHIRAPPALLI – 620 002
SEMESTER EXAMINATIONS – NOVEMBER 2014
TIME: 3 Hrs.
MAXIMUM MARKS: 100
SEM
SET
PAPER CODE
TITLE OF THE PAPER
V
2012
11UCC530216
DATABASE MANAGEMENT SYSTEM
SECTION – A
Answer all the questions:
20 x 1 = 20
Choose the correct answer:
1. _______ are the basic units used in modify classes of concrete or
abstract objects.
a) Entity
b) Relation
c) Class
d) File
2. _______ is organized on a secondary storage medium in the context
of a logical unit, the file.
a) System
b) Data
c) Disk
d) View
3. Relational algebra is a _______ language.
a) Structure
b) English
c) Procedural
d) Manipulation
4. _______ statement is used to modify one or more records in a
specified relation.
a) Alter
b) Modify
c) Rename
d) Update
5. _______ normal form does not permit partial dependency between
a non prime attribute and the relation keys.
a) Second
b) First
c) Third
d) All of the above
Fill in the blanks:
6.
DBMS means _______.
7.
8.
DBA stands for _______.
A relational database consists of collection of _______.
9.
The traditional set theory difference operator is _______.
10. A relation scheme in third normal form does not allow _______.
State True or False:
11. Primary key is a unique key.
12. In serial file, records are stored in ascending or descending
primary key.
13. A set is a well-defined collection of objects.
14. The drop statement is used to delete one or more records from a
relation.
15. An unnormalized relation contains atomic values.
Match the following:
16. DML
- a) Functional Dependency
17. Sequential file - b) Any
18. Key
19. Operator
- c) Candidate key
- d) Primary key
20. FD
- e) Data manipulation language
SECTION – B
Answer all the questions:
5 x 7 = 35
21. a. Explain the classification of DBMS users.
OR
b. Explain the components of E-R diagram with an example.
22. a. Write notes on Sequential files.
OR
b. Write notes on Ring files.
23. a. What is relationship? Explain with an example.
OR
b. Explain the different integrity rules.
24. a. Explain Data definition language in sql.
OR
b. Explain about views in sql.
25. a. Write notes on universal relation.
OR
b. Explain the concept of Functional dependency.
SECTION – C
Answer any THREE questions:
26.
27.
28.
29.
30.
3 x 15 = 45
Explain the structure of a DBMS with a neat diagram.
Explain the structure of Index Sequential files.
Explain about relational algebra operations with example.
Explain Data manipulation language in sql.
Write notes on different normal forms with examples.
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