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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 13 of 31

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Q121.
In ER diagrams, the rectangles are used to denote

a.

entity types

b.

attribute types

c.

key types

d.

structure types

Discuss
Answer: (a).entity types
Q122.
In entity-relationship diagrams, the participating entities are represented by

a.

oval shaped box

b.

rectangular box

c.

squared box

d.

diamond shaped box

Discuss
Answer: (b).rectangular box
Q123.
The relationship type in which one attribute is migrated to the N-side of relationship is classified as

a.

4:N

b.

3:N

c.

1:N

d.

2:N

Discuss
Answer: (c).1:N
Q124.
The entities that have key attributes to be distinct are considered as

a.

weak entity

b.

strong entity

c.

single entity

d.

foreign entity

Discuss
Answer: (b).strong entity
Q125.
The schema which specifies that all the database users requirements have been met is called

a.

high level conceptual schema

b.

high level logical schema

c.

high level structural schema

d.

high level detailed schema

Discuss
Answer: (a).high level conceptual schema
Q126.
For a relationship type, the participation constraints and cardinality ratio are considered together to make

a.

intensive constraints

b.

recursive constraints

c.

composite constraints

d.

structural constraints

Discuss
Answer: (d).structural constraints
Q127.
The parent entity type or identifying entity type are considered as other names of

a.

dominant entity type

b.

non dominant entity type

c.

composite entity type

d.

non foreign entity type

Discuss
Answer: (a).dominant entity type
Q128.
The relationship type with two degrees is classified as

a.

extension association

b.

intension association

c.

binary relationship

d.

ternary relationship

Discuss
Answer: (c).binary relationship
Q129.
The constraint which specifies the minimum number of relationship instances is classified as

a.

participation constraint

b.

non-participation constraint

c.

extensive constraint

d.

intensive constraint

Discuss
Answer: (a).participation constraint
Q130.
In the commercial database management system, the relational database model is also known as

a.

implementation data model

b.

attribution data model

c.

sequential data model

d.

functional data model

Discuss
Answer: (a).implementation data model
Page 13 of 31

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