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Welcome to the Normalization MCQs Page

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

Normalization MCQs | Page 5 of 12

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Q41.
If every functional dependency in set E is also in the closure of F then this is classified as

a.

FD is covered by E

b.

E is covered by F

c.

F is covered by E

d.

Fplus is covered by E

Discuss
Answer: (b).E is covered by F
Q42.
If there is more than one key for relation schema in DBMS then each key in relation schema is classified as

a.

prime key

b.

super key

c.

candidate key

d.

primary key

Discuss
Answer: (c).candidate key
Q43.
The form of dependency in which the set of attributes that are neither a subset of any of the keys nor the candidate key is classified as

a.

transitive dependency

b.

full functional dependency

c.

partial dependency

d.

prime functional dependency

Discuss
Answer: (a).transitive dependency
Q44.
The property of normalization of relations which guarantees that functional dependencies are represented in separate relations after decomposition is classified as

a.

nonadditive join property

b.

independency reservation property

c.

dependency preservation property

d.

additive join property

Discuss
Answer: (c).dependency preservation property
Q45.
The rule which states that addition of same attributes to the right side and left side will results in other valid dependency is classified as

a.

referential rule

b.

inferential rule

c.

augmentation rule

d.

reflexive rule

Discuss
Answer: (c).augmentation rule
Q46.
The functional dependency of two sets E and F are considered as equivalent if

a.

E + F = E - F

b.

E * = F 2

c.

E 2 = F 2

d.

E * = F *

Discuss
Answer: (d).E * = F *
Q47.
The process of analyzing relation schemas to achieve minimal redundancy and insertion or update anomalies is classified as

a.

normalization of data

b.

denomination of data

c.

isolation of data

d.

de-normalization of data

Discuss
Answer: (a).normalization of data
Q48.
Considering the relational database, the functional dependency between two attributes A and B is denoted by

a.

A → B

b.

B ← A

c.

AB → R

d.

R ← AB

Discuss
Answer: (a).A → B
Q49.
If the attribute of relation schema R is member of some candidate key then this type of attributes are classified as

a.

atomic attribute

b.

candidate attribute

c.

nonprime attribute

d.

prime attribute

Discuss
Answer: (d).prime attribute
Q50.
The procedure of storing higher normal form relations which are in lower normal form as a base relation is classified as

a.

isolation of data

b.

de-normalization of data

c.

normalization of data

d.

denomination of data

Discuss
Answer: (b).de-normalization of data
Page 5 of 12

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