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Welcome to the Relational Databases MCQs Page

Dive deep into the fascinating world of Relational Databases with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Relational Databases, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Relational Databases, 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 Relational Databases. 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 Relational Databases. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Relational Databases MCQs | Page 9 of 12

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Q81.
In the data model schemas, the constraints that are can not be expressed directly are classified as

a.

application based constraints

b.

semantic constraints

c.

business rules

d.

all of above

Discuss
Answer: (d).all of above
Q82.
The cardinality in relational data model is considered as

a.

total number of values

b.

limited number of values

c.

two numbers from set

d.

three numbers from set

Discuss
Answer: (a).total number of values
Q83.
The constraint violated when the given value of attribute is not included in the corresponding domain is

a.

domain constraint

b.

attribute constraint

c.

key constraint

d.

lock constraint

Discuss
Answer: (a).domain constraint
Q84.
If two or more constraints are violated by using insert operation then by default the

a.

insert is accepted

b.

insert is rejected

c.

insertion permanently blocked

d.

none of above

Discuss
Answer: (b).insert is rejected
Q85.
In the data model, the inherent constraints are classified as

a.

flat constraints

b.

parallel constraints

c.

explicit constraints

d.

implicit constraints

Discuss
Answer: (d).implicit constraints
Q86.
The multi-valued dependencies and functional dependencies are classified as category of

a.

relation dependencies

b.

data dependencies

c.

entity dependencies

d.

attribute dependencies

Discuss
Answer: (b).data dependencies
Q87.
The model in which the multi-valued and composite attributes is considered as

a.

reverse relational model

b.

flat relational model

c.

parallel relational model

d.

circular relational model

Discuss
Answer: (b).flat relational model
Q88.
The type of constraint in which value of each attribute (X) must be an indivisible value from domain (X) is classified as

a.

explicit constraint

b.

implicit constraint

c.

domain constraint

d.

range constraint

Discuss
Answer: (c).domain constraint
Q89.
The constraints which deals with the changes in the database are classified as

a.

assertion constraints

b.

trigger constraints

c.

specified constraints

d.

transition constraints

Discuss
Answer: (d).transition constraints
Q90.
The multivalued dependencies used to develop relational design theory of database is classified as

a.

amortization

b.

normalization

c.

conceptualization

d.

depreciation

Discuss
Answer: (b).normalization
Page 9 of 12

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