INTRODUCTION TO DATABASE SYSTEM QUIZ

Related fields in a data base are grouped to form

data record

data file

None of these

menu

bank

TRUE ANSWER : ?
YOUR ANSWER : ?

Batch processing is appropriate if

only a few transactions are involved

All of these

a large computer system is available

only a small computer system is available

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A top-to-bottom relationship among the items in a database is established by a

Relational schema

Network schema

All of the listed here

Hierarchical schema

TRUE ANSWER : ?
YOUR ANSWER : ?

Sort/report generators

do not need to sort before generating a report

none of the listed here

require more disk space than index/report generators

are faster than index/report generators

TRUE ANSWER : ?
YOUR ANSWER : ?

The only reason for the existence of relations is to store instances of functional dependencies.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

The degree of a relationship refers to the number of entity classes in the relationship.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a type of DBMS software?

query language

utilities

All of these

report writer

database manipulation language

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not considered to be a basic element of an enterprise-class database system?

Users

DBMS

COBOL programs

Database applications

TRUE ANSWER : ?
YOUR ANSWER : ?

Applications are programs that interact directly with the database.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

A logical schema

is a standard way of organizing information into accessible parts

is the entire database

None of these

describes how data is actually stored on disk

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

↑