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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 11 of 12

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Q101.
The basic operations that can be performed on relations are

a.

deletion

b.

insertion

c.

modification

d.

all of above

Discuss
Answer: (d).all of above
Q102.
In relational database schemas, the state constraints are also known as

a.

static constraints

b.

dynamic constraints

c.

implicit constraints

d.

explicit constraints

Discuss
Answer: (a).static constraints
Q103.
The tuples in relation are sensitive to

a.

order

b.

format

c.

entity type

d.

concept type

Discuss
Answer: (a).order
Q104.
The state in which the database does not follow integrity constraints is classified as

a.

parallel state

b.

invalid state

c.

valid state

d.

candidate state

Discuss
Answer: (b).invalid state
Q105.
The type of constraint which states that not even a single value with primary key can be a null value is classified as

a.

null integrity constraint

b.

primary integrity constraint

c.

secondary integrity constraint

d.

entity integrity constraint

Discuss
Answer: (d).entity integrity constraint
Q106.
The values which cannot be divided further are classified as

a.

formatted values

b.

bi-atomic model

c.

diatomic values

d.

atomic values

Discuss
Answer: (d).atomic values
Q107.
On a relational database, the kind of constraint which must be specified and does not contain large classes of constraints is considered as

a.

referential integrity constraint

b.

null integrity constraint

c.

semantic integrity constraints

d.

secondary integrity constraint

Discuss
Answer: (c).semantic integrity constraints
Q108.
The definition of relation in which values and attributes are ordered in tuple is classified as

a.

fourth definition of relation

b.

third definition of relation

c.

first definition of relation

d.

second definition of relation

Discuss
Answer: (c).first definition of relation
Q109.
The constraint violated when key value in tuple already exists in some other relation's tuple is called

a.

domain constraint

b.

attribute constraint

c.

key constraint

d.

lock constraint

Discuss
Answer: (c).key constraint
Q110.
The normal form which consider all the types of constraints and dependencies is classified as

a.

domain-key normal form

b.

foreign-key normal form

c.

candidate-key normal form

d.

primary-key normal form

Discuss
Answer: (a).domain-key normal form
Page 11 of 12

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