FACULTY OF ENGINEERING, SCIENCES AND TECHNOLOGY
Name : Usama Sarwar
Subject: DBMS
Instructors: Anees Ahmed, Sophia Ajaz
REG:45656
Assignment # 01
Assignment type: Individual
Question 1
In your own words explain, when database system should not be used instead of filing system?
Question 2
Consider the following scenario of Mr. Ahmed Baig and assist him to select the best options for
him. He has a great volume of information that he desires to store although he is also short on
finance and doesn’t like to share his data with anyone else.
The data includes the names, addresses, explanations of humiliating moments, etc. about the
many ducks on his payroll.
Select the correct options for Mr. Ahmed Baig among the following and give reason as to why he
should choose that option or not.
a)
b)
c)
d)
e)
f)
g)
Should buy a database system
Should run it as a stand-alone application.
Should buy DBMS security facility feature
Should buy DBMS Concurrency control
Should buy DBMS Crash recovery
Should buy DBMS view mechanism
Should buy DBMS query language
When Database should be used instead of filing system:
To avoid redundancy:
Redundancy removed by data normalization. No data duplication saves
storage and improves access time.
To perform the easy operation:
Database systems manages data in such a way so that the data is easily
accessible with fast response times.
To avoid Data Inconsistency.
To provide easy Accessing Data.
To avoid Limited Data Sharing.
To avoid Integrity Problems.
To avoid Atomicity Problems.
Q2
Consider the following scenario of Mr. Ahmed Baig and assist him to select
the best options for him. He has a great volume of information that he desires
to store although he is also short on finance and doesn’t like to share his data
with anyone else. The data includes the names, addresses, explanations of
humiliating moments, etc. about the many ducks on his payroll.
Should buy a database system:
There is a cost efficiency buying the database system, He can maintain the
database system instead of stand alone application to avoid the financial
issues.
Should buy DBMS security facility feature:
By using the DBMS security facility feature he can store and secure the data
for a long time