Dr Bhim Rao Ambedkar University 2006 B.Tech Information Technology Database Engineering - exam paper

H-350
THIRD YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-2) EXAMINATION, 2007

DATABASE ENGINEERING

Day and Date: Wednesday, 22-11-2007 Total Marks: 100
Time: 10.00p.m. To 1.00p.m.

Instructions:

Instructions:
1) Solve any 3 ques. from SECTION-1
2) Solve any 3 ques. from SECTION-2
3) Figures to right shows full marks

SECTION-1

Q.1
a) What is meant by file organization? discuss at lowest three various file organizations. [Marks 8]

b) What is data dictionary storage? Illustrate with example. [Marks 8]

Q.2

a) Explain entities, their sets and mapping constraints. [Marks 8]

b) discuss the advantages of database systems over condensational file system. [Marks 8]

Q.3.
a) List and discuss various components of SQL. [Marks 8]

b) discuss the basic components of referential integrity. [Marks 8]


Q.4 Write a short notes on (any 3) [Marks 18]

a) Data abstraction model
b) Domain relational calculus
c) Attributes kinds in ER diagram
d) Buffer management


SECTION-2
Q.5)

a) Explain static and dynamic hash function. [Marks 8]

b) Explain transaction in detail. [Marks 8]

Q. 6)

a) define the basic concept of indexes. [Marks 8]

b) Draw state diagram of transaction. discuss in brief [Marks 8]

Q. 7)

a) Comment on the difference ranging from index-sequential files and B+ tree file organization. [Marks 8]

b) define the steps in query processing along with necessary diagram.[Marks 8]

Q.8) Write a short notes on (any three): [Marks 18]

a) Equivalence of expression
b) Database changes
c) Multiple key access
d) Graph based protocol in concurrency control

Earning:   Approval pending.