CS1301 Database Management Systems question paper - May-June 2007 / Anna University Previous Year Exam Questions / Anna University Previous Year Computer Science and Information Technology Question Papers / Anna University Previous Year CS1301 DBMS Exam Questions under Regulation 2004
B.E./B.Tech. DEGREE
EXAMINATION, MAY/JUNE 2007
Fifth Semester
Computer Science and
Engineering
CS 1301 — DATABASE
MANAGEMENT SYSTEMS
Time: Three hours Maximum:
100 Marks
Answer ALL Questions
PART A — (10 × 2 = 20
Marks)
1. List five responsibilities of the DB
manager.
2. Give the limitations of ER model?
How do you overcome this?
3. Define query language. Give the classification
of query language.
4. Why it is necessary to decompose a
relation?
5. Give any two advantages of spare
index over dense index.
6. Name the different types of joins
supported in SQL.
7. What are the types of transparencies
that a distributed database must support? Why?
8. What benefit is provided by
strict-two phase locking? What is the disadvantages result?
9. Briefly write the overall process of
data warehousing.
10. What is an active database?
PART B — (5 × 16 = 80
Marks)
11
(a) (i) What are the types of knowledge discovered during data mining? Explain
with suitable examples.
(ii)
Highlight the features of object oriented database.
Or
(b)
(i) What is nested relation? Give example.
(ii)
Explain the structure of XML with suitable example.
12
(a) (i) Compare file system with database system.
(ii)
Explain the architecture of DBMS.
Or
(b)
(i) What are the steps involved in designing a database application? Explain
with an example.
(ii)
List the possible types of relations that may exist between two entities. How
would you realize that into tables for a binary relation?
13.
(a) (i) What are the relational algebra operations supported in SQL? Write the
SQL statement for each operation.
(ii)
Justify the need of normalization with examples
Or
(b)
(i) What is normalization? Explain 1NF, 2NF, 3NF and BCNF with suitable
example.
(ii)
What is FD? Explain the role of FD in the process of normalization.
14.
(a) (i) Explain the security features provided in commercial query languages.
(ii)
What are the steps involved in query processing? How would you estimate the
cost of the query?
Or
(b)
(i) Explain the different properties of indexes in detail.
(ii)
Explain various hashing techniques.
15.
(a) (i) Explain the four important properties of transaction that a DBMS must
ensure to maintain database .
(ii)
What is RAID? List the different levels in RAID technology and explain its
features.
Or
(b)
(i) What is Concurrency control? How is it implemented in DBMS? Explain.
(ii)
Explain various recovery techniques during transaction in detail.
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