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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 10 of 12

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Q91.
In the data model schemas, the constraints that are expressed directly are classified as

a.

explicit constraints

b.

implicit constraints

c.

flat constraints

d.

parallel constraints

Discuss
Answer: (a).explicit constraints
Q92.
In relational database schemas, the transition constraints are also known as

a.

static constraints

b.

dynamic constraints

c.

implicit constraints

d.

explicit constraints

Discuss
Answer: (b).dynamic constraints
Q93.
A row of table in relational model terminology is classified as

a.

range

b.

domain

c.

relation

d.

tuple

Discuss
Answer: (d).tuple
Q94.
The constraint which is used to specify the consistency in two or more relations among tuples is classified as

a.

primary integrity constraint

b.

entity integrity constraint

c.

referential integrity constraint

d.

null integrity constraint

Discuss
Answer: (b).entity integrity constraint
Q95.
The ordered list of all the n-values is classified as

a.

n-tuple

b.

l-tuple

c.

v-tuple

d.

all of above

Discuss
Answer: (d).all of above
Q96.
The state in which the database follows all the integrity constraints is classified as

a.

valid state

b.

candidate state

c.

parallel state

d.

invalid state

Discuss
Answer: (a).valid state
Q97.
The column header of table in relational model terminology is classified as

a.

attribute

b.

table starter

c.

table ender

d.

entity domain

Discuss
Answer: (a).attribute
Q98.
The operation which violates only one constraint called referential integrity when it is performed is called

a.

New operation

b.

Modify operation

c.

Delete operation

d.

Insert operation

Discuss
Answer: (c).Delete operation
Q99.
The distribution in which each row denote some related values collection is classified as

a.

record

b.

entity

c.

concept

d.

table

Discuss
Answer: (d).table
Q100.
When the foreign key refers to a tuple which does not exists in subjected relation then the constraint violated is

a.

modify integrity

b.

referential integrity

c.

inferential integrity

d.

insert integrity

Discuss
Answer: (b).referential integrity
Page 10 of 12

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