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.

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 4 of 12

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Q31.

Each answer below shows example data from a table. Which answer is an example of the missing values problem?

Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.

Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.

Three rows have the values Brown, NULL, and Blue in the same column.

One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Discuss

Answer: (c).Three rows have the values Brown, NULL, and Blue in the same column.

Q32.

When assessing the table structure of an acquired set of tables with data, determining functional dependencies is (part of) the:

first step.

second step.

third step.

fourth step.

Discuss

Answer: (b).second step.

Q33.

Each answer below shows example data from a table. Which answer is an example of the multivalue, multicolumn problem?

Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.

Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.

Three rows have the values Brown, NULL, and Blue in the same column.

One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Discuss

Answer: (a).Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.

Q34.

When assessing the table structure of an acquired set of tables with data, counting the number of table rows is (part of) the:

first step.

second step.

third step.

fourth step.

Discuss

Answer: (a).first step.

Q35.

If a table has been normalized so that all determinants are candidate keys, then that table is in:

1NF.

2NF.

3NF.

BCNF.

Discuss

Answer: (d).BCNF.

Q36.

Read-only databases are ________ updated.

always

commonly

seldom

never

Discuss

Answer: (d).never

Q37.

Needing to assess the validity of assumed referential integrity constraints on foreign keys is a(n) ________ of normalization.

advantage

disadvantage

either an advantage or disadvantage

neither an advantage nor disadvantage

Discuss

Answer: (d).neither an advantage nor disadvantage

Q38.

When assessing the table structure of an acquired set of tables with data, determining primary keys is (part of) the:

first step.

second step.

third step.

fourth step.

Discuss

Answer: (b).second step.

Q39.

Normalization ________ data duplication.

eliminates

reduces

increases

maximizes

Discuss

Answer: (a).eliminates

Q40.

Each answer below shows example data from a table. Which answer is an example of the inconsistent values problem?

Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.

Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.

Three rows have the values Brown, NULL, and Blue in the same column.

One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Discuss

Answer: (b).Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.

Page 4 of 12

Welcome to the Normalization MCQs Page

Normalization MCQs | Page 4 of 12

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Relational Algebra

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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