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 12 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

Q111.

In SQL, which command(s) is(are) used to enable/disable a database trigger?

MODIFY USER

CHANGE USER

ALTER TRIGGER

All of the above

Discuss

Answer: (c).ALTER TRIGGER

Q112.

Which command is used to remove an index from the database in SQL?

DELETE INDEX

DROP INDEX

REMOVE INDEX

ROLL BACK INDEX

Discuss

Answer: (b).DROP INDEX

Q113.

Which command is used to remove a table from the database in SQL?

DELETE TABLE

DROP TABLE

ERASE TABLE

UNATTACH TABLE

Discuss

Answer: (b).DROP TABLE

Q114.

In SQL, GRANT command is used to

allow user to access databases

allow user to create databases

grant system privileges, roles, and object privileges to uses and roles

choose auditing for specific SQL commands

Discuss

Answer: (c).grant system privileges, roles, and object privileges to uses and roles

Q115.

In SQL, which command(s) is(are) used to enable/disable all triggers on a table?

ALTER TRIGGERS

ALTER TABLE

MODIFY TRIGGERS IN TABLE

All of the above

Discuss

Answer: (b).ALTER TABLE

Q116.

In SQL, which command is used to add new rows to a table?

ALTER TABLE

ADD ROW

INSERT

APPEND

Discuss

Answer: (c).INSERT

Q117.

An operation that will increase the length of a list is

Insert

Look-up

Modify

All of the above

Discuss

Answer: (a).Insert

Q118.

In SQL, which command is used to add a column/integrity constraint to a table

ADD COLUMN

INSERT COLUMN

MODIFY TABLE

ALTER TABLE

Discuss

Answer: (d).ALTER TABLE

Q119.

In SQL, which command is used to changes data in a table?

UPDATE

INSERT

BROWSE

APPEND

Discuss

Answer: (a).UPDATE

Q120.

Which of the following command(s) is(are) used to recompile a stored procedure in SQL?

COMPILE PROCEDURE

ALTER PROCEDURE

MODIFY PROCEDURE id) All of the above

None of the above

Discuss

Answer: (b).ALTER PROCEDURE

Page 12 of 38

Welcome to the SQL MCQs Page

SQL MCQs | Page 12 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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