Database Management System Quiz

Database Management System Quiz

University

20 Qs

quiz-placeholder

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Database Management System Quiz

Database Management System Quiz

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Hard

Created by

Navitha Gunalan

Used 2+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a Database Management System (DBMS)?

A software program that allows users to create, edit, and update data in database files.

Known facts that can be recorded and have implicit meaning.

A collection of related data.

Composed of 5 major parts: Hardware, Software (DBMS), People, Procedures, and Data.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common feature of a DBMS?

Storing known facts that can be recorded and have implicit meaning.

Composed of 5 major parts: Hardware, Software (DBMS), People, Procedures, and Data.

Ensuring completeness, integrity, flexibility, efficiency, and usability of data.

A set of software programs that allows users to create, edit, and update data in database files.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a feature of the relational database model?

Hierarchical structure

Table structure

Network structure

Graph structure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A primary key is used to ______.

uniquely identify a row

uniquely identify a column

sort the data

relate two tables

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following keys can be a candidate key?

Foreign key

Composite key

Primary key

All of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The degree of a relation is the number of _______.

attributes

tuples

constraints

indexes

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The collection of information stored in a database at a particular moment is known as ______.

database instance

database schema

data model

data dictionary

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