KABWE INSTITUTE OF TECHNOLOGY
ICT 120
Database Management System
Assignment 1
DUE DATE: 03/03/2021 10:00hrs
Question 1
Describe the three schema architecture and justify the need for the mappings between the
Schema levels with a suitable illustration. [20 marks]
Question 2
Discuss the differences between procedural and nonprocedural DMLs? [5 marks]
Question 3
Design a university database with information concerning students, courses, and grades in a university
environment. You are just required to create the tables and the datatype for each column. [12 marks]
Question 4
A database is a collection of logically related data.
i.
Discuss the advanatages and disadvantages of using the database.[10 marks]
ii.
Explain situations that will not require the use of the database with examples.[2 marks]
iii.
Discuss the phases for designing the database system.[8 marks]
Question 5
Discuss the four types of dbms systems given below with the suitable illustration of the diagram for
each. [8 marks]
i.
ii.
iii.
iv.
Hierarchical database
Network database
Relational database
Object-Oriented database
Question 6
Compare and contrast a file system and DBMS. [15 marks]
***Best of Luck***