Basara University 2007 B.E Database structure - Question Paper

Date: 22-05-2007 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) Distinguish Database System And File System. [Marks 8]

b) define ER model. [Marks 8]
Q.2.
a) List and discuss the fundamental operations on relational algebra. [Marks 8]

b) What is key? discuss various keys in relational model. [Marks 8]


Q.3
a) discuss file organization wit variable length records. [Marks 8]

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

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

a) Reducing ER diagram to tables
b) Domain relational calculus
c) Normalization using functional dependencies
d) Sequential file organization


SECTION-2

Q. 6)
a) List and explain storage kinds and failure kinds. [Marks 8]

b) discuss immediate database modification recovery scheme with example.[Marks 8]



Q.6)
a) discuss 2 phase looking protocol with example.. [Marks 8]

b) elaborate methods or lock used in multiple granularity schemes? provide compatibility matrix for them. [Marks 8]

Q.7)
a) discuss the stable storage implementation in detail [Marks 8]

b) discuss activity level analysis using SPC. [Marks 8]

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

a) Estimation of query processing cost
b) Testing for serializability
c) Buffer management
d) Multiple key access

Earning:   Approval pending.