GTU Computer Engineering (Semester 3)
Database Management System
June 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Explain disadvantage of conventional file-based system compared to Database management system.
7 M
1 (b) Explain Entity Relationship model with example.
7 M

2 (a) Write a short note on Relational algebra.
7 M
2 (b) What are integrity constraints? Explain various type of integrity constraints with suitable example.
7 M
2 (c) Explain three level architecture of DBMS.
7 M

3 (a) What is normalization ? Why normalization process is needed? Explain 1 NF, 2NF and 3 NF with example.
7 M
3 (b) What is deadlock ? Explain deadlock detection and prevention policies.
7 M
3 (c) Explain conflict serializability and view serializability.
7 M
3 (d) What is decomposition? Why is it required? Explain the difference between lossy decomposition and non-loss decomposition with example.
7 M

4 (a) Write short note on query processing.
7 M
4 (b) Explain log-based recovery and shadow paging technique.
7 M
4 (c) Explain different types of outer join with example.
7 M
4 (d) Explain time stamp based protocols.
7 M

5 (a) Write A PL/SQL block to print the sum of Numbers from 1 to 20.
7 M
5 (b) Explain DDL, DML and DCL syntaxes with example.
7 M
5 (c) Write A PL/SQL block to print the given number is Odd or Even.
7 M
5 (d) Explain Aggregate, Date and String function with example.
7 M



More question papers from Database Management System
SPONSORED ADVERTISEMENTS