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January, 2013 A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS (DBMS)

January, 2013

A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS (DBMS)

PART ONE

(Answer all the questions)

1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)

1.1 A database user manually notes that “The file contains two hundred records, each record
containing nine fields”. Translating this statement in database terminology means
A) 200 attributes and 9 rows
B) 200 rows 9 tuples
C) 200 tuples and 9 attributes
D) 200 attributes and 9 tuples
1.2 Given the following relation schemas
EMPLOYEE (EMP_CODE, EMP_NAME, JOB_CODE)
PLAN (PLAN_CODE,PLAN_DESCRIPTION)
BENEFIT(EMP_CODE,PLAN_CODE)
Attribute PLAN_CODE in relation BENEFIT is
A) Primary Key
B) Foreign Key
C) Candidate Key
D) Alternate Key

July, 2013 A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEM

July, 2013

A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEM

PART ONE

(Answer all the questions)

1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

1.1 A view is a
A) Base table
B) Derived table
C) Named Derived table
D) Soft table
1.2 Which of the following do you need to consider when you make a table in SQL?
A) Data types
B) Primary Keys
C) Default Keys
D) All of the above

January, 2014

A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS

PART ONE

(Answer all the questions)

1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

1.1 Which of the following schemas defined the stored data structures in terms of the database
model used?
A) External
B) Conceptual
C) Internal
D) None of the above
1.2 Object oriented data models are used to
A) specify overall structure of the database
B) describe data and its relationships.
C) higher level description of storage structure and access mechanism.
D) all of the above