July, 2012 A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS

July, 2012

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 “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)

1.1 The language used application programs to request data from the DBMS is referred to as
A) DML
B) DDL
C) Query Language
D) All of the above
1.2 When two transactions run concurrently types of problems encounter are
A) Data delete Problem, Dirty read problem, Incorrect summary problem
B) Lost update problem, Dirty read problem, Incorrect summary problem
C) Lost update problem, Data delete Problem, Incorrect summary problem
D) Lost update problem, Dirty read problem, Data delete Problem

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July, 2012 A7-R4: INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS

July, 2012

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 “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)

1.1 The language used application programs to request data from the DBMS is referred to as
A) DML
B) DDL
C) Query Language
D) All of the above
1.2 When two transactions run concurrently types of problems encounter are
A) Data delete Problem, Dirty read problem, Incorrect summary problem
B) Lost update problem, Dirty read problem, Incorrect summary problem
C) Lost update problem, Data delete Problem, Incorrect summary problem
D) Lost update problem, Dirty read problem, Data delete Problem

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