Welcome to the SQL MCQs Page

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

SQL MCQs | Page 5 of 38

Explore more Topics under DBMS

01

DBMS Basics

02

Data Models

03

The Entity Relationship Approach

04

Relational Databases

05

Data Storage and Querying

06

Relational Algebra

07

Normalization

08

Storage and File Structures

09

Indexing and Hashing

10

Transactions

11

Concurrency Control

12

Recovery System

13

Distributed Databases

14

Data Warehousing and Data Mining

15

RDBMS

16

Advanced SQL

17

SQL Queries,Constraints and Triggers

Q41.

A ________ is a stored program that is attached to a table or a view.

pseudofile

embedded SELECT statement

trigger

None of the above is correct.

Discuss

Answer: (c).trigger

Q42.

The DROP TABLE statement:

deletes the table structure only.

deletes the table structure along with the table data.

works whether or not referential integrity constraints would be violated.

is not an SQL statement.

Discuss

Answer: (b).deletes the table structure along with the table data.

Q43.

SQL views can be used to hide:

columns and rows only.

complicated SQL syntax only.

both of the above can be hidden by an SQL view.

None of the above is correct.

Discuss

Answer: (c).both of the above can be hidden by an SQL view.

Q44.

The SQL statement to create a view is:

CREATE VIEW.

MAKE VIEW.

SELECT VIEW.

INSERT VIEW.

Discuss

Answer: (a).CREATE VIEW.

Q45.

To update an SQL view, the DBMS must be able to associate the column(s) to be updated with:

a particular column in a particular underlying table.

a particular column in a particular row.

a particular row in a particular underlying table.

None of the above is correct.

Discuss

Answer: (c).a particular row in a particular underlying table.

Q46.

Which of the following is NOT a type of SQL constraint?

PRIMARY KEY

FOREIGN KEY

ALTERNATE KEY

UNIQUE

Discuss

Answer: (c).ALTERNATE KEY

Q47.

A ________ is a program that performs some common action on database data and that is stored in the database.

trigger

stored procedure

pseudofile

None of the above is correct.

Discuss

Answer: (b).stored procedure

Q48.

For what purposes are views used?

To hide columns only

To hide rows only

To hide complicated SQL statements only

All of the above are uses for SQL views.

Discuss

Answer: (d).All of the above are uses for SQL views.

Q49.

What is an SQL virtual table that is constructed from other tables?

Just another table

A view

A relation

Query results

Discuss

Answer: (b).A view

Q50.

When using the SQL INSERT statement:

rows can be modified according to criteria only.

rows cannot be copied in mass from one table to another only.

rows can be inserted into a table only one at a time only.

rows can either be inserted into a table one at a time or in groups.

Discuss

Answer: (d).rows can either be inserted into a table one at a time or in groups.

Page 5 of 38

Welcome to the SQL MCQs Page

SQL MCQs | Page 5 of 38

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Relational Algebra

Normalization

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Recovery System

Distributed Databases

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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