Roll No. ......................
Total No. of Questions : 13]
Paper ID [A0516]
MCA(401) (Semester
- 4th)
RELATIONNAL
DATABASE MANAGEMENT SYSTEM-II
Time : 03 Hours
Instruction to Candidates:
1) Section - A is compulsory.
2) Attempt any Nine questions from
Section - B.
Section - A
1.
a.
What is the difference between simple and
composite attributes?
b.
What is a heterogeneous DBMS.
c.
What is the difference between total and partial
generalization?
d.
What is a transaction?
e.
What is an object oriented database?
f.
What do you mean by atomic domain?
g.
What is multivalued dependency?
h.
What are client-server systems?
i.
What are
non-procedural languages?
j.
What is tuple variable?
k.
What is the process of data mining?
l.
What are log records?
m. What
is a data warehouse?
n.
What is data fragmentation?
o.
What is log-based recovery?
Section –B
2.
Make a comparison of centralized versus
decentralized design of a database management system.
3.
Explain the database life cycle with the help of
suitable block diagram.
4.
Define the concept of generalization. Give two
examples where this concept is useful
5.
What are the advantages of encrypting data
stored in the database?
6.
Discuss the advantages and disadvantages of
distributed database management system
7.
Discuss the various levels of data and process
distribution.
8.
Discuss the architecture of a client server
system.
9.
Why are certain functional dependencies called
trivial functional dependencies?
10.
What benefit does strict two-phase looking
provide?
11.
What is a decision support system? Discuss the
various requirements of a decision support system database.
12.
How online analytical processing (OLAP) tools
helps analysts to view data summarization
13.
Describe benefits and drawbacks of a source
driven architecture for gathering of data at a warehouse as compared to
destination driven architecture.
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