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Welcome to the The Entity Relationship Approach MCQs Page

Dive deep into the fascinating world of The Entity Relationship Approach with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of The Entity Relationship Approach, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of The Entity Relationship Approach, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through The Entity Relationship Approach. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of The Entity Relationship Approach. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

The Entity Relationship Approach MCQs | Page 29 of 31

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Q281.
The term for information that describes what type of data is available in a database is:

a.

Data dictionary

b.

data repository

c.

Index data

d.

Metadata

Discuss
Answer: (d).Metadata
Q282.
A data type that creates unique numbers for key columns in Microsoft Access is:

a.

Autonumber

b.

Boolean

c.

Sequential key

d.

Sequential number

Discuss
Answer: (a).Autonumber
Q283.
A dependency exist between two columns when

a.

Together they constitute a composite key for the table

b.

Knowing the value in one column determines the value stored in another column

c.

The table is in 3NF

d.

Together they constitute a foreign key

Discuss
Answer: (a).Together they constitute a composite key for the table
Q284.
An ________ is a set of entities of the same type that share the same properties, or attributes.

a.

Entity set

b.

Attribute set

c.

Relation set

d.

Entity model

Discuss
Answer: (a).Entity set
Q285.
Entity is a _________

a.

Object of relation

b.

Present working model

c.

Thing in real world

d.

Model of relation

Discuss
Answer: (c).Thing in real world
Q286.
The descriptive property possessed by each entity set is _________

a.

Entity

b.

Attribute

c.

Relation

d.

Model

Discuss
Answer: (b).Attribute
Q287.
The function that an entity plays in a relationship is called that entity’s _____________

a.

Participation

b.

Position

c.

Role

d.

Instance

Discuss
Answer: (c).Role
Q288.
The attribute name could be structured as a attribute consisting of first name, middle initial, and last name. This type of attribute is called

a.

Simple attribute

b.

Composite attribute

c.

Multivalued attribute

d.

Derived attribute

Discuss
Answer: (b).Composite attribute
Q289.
The attribute AGE is calculated from DATE_OF_BIRTH . The attribute AGE is

a.

Single valued

b.

Multi valued

c.

Composite

d.

Derived

Discuss
Answer: (d).Derived
Q290.
Not applicable condition can be represented in relation entry as

a.

NA

b.

0

c.

NULL

d.

Blank Space

Discuss
Answer: (c).NULL
Page 29 of 31

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