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 29 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

Q281.

The data type in SQL which includes various size integers and floating point numbers are classified as

query data type

numeric data types

binary data types

formatted data types

Discuss

Answer: (b).numeric data types

Q282.

In the statement DECIMAL (I, j) to specify numeric data type, the digits after the decimal point are called

the precision

the scale

the string

the numeric strip

Discuss

Answer: (b).the scale

Q283.

The command in SQL which is used when any of the schema is no longer needed in relation is classified as

DROP SCHEMA command

PICK SCHEMA command

DELETE SCHEMA command

RESTRICT SCHEMA command

Discuss

Answer: (a).DROP SCHEMA command

Q284.

In the declaration statement DECIMAL (I, j), the 'I' is classified as

the precision

the scale

the string

the numeric strip

Discuss

Answer: (a).the precision

Q285.

In fixed length character string CHAR(n), the 'n' represents

number of characters

maximum number of characters

number of rows

number of columns

Discuss

Answer: (a).number of characters

Q286.

The relations that are declared in SQL through CREATE VIEW statements are classified as

binary relations

ternary relations

logic relations

virtual relations

Discuss

Answer: (d).virtual relations

Q287.

In SQL, the identifier which are used to indicate the user of schema is classified as

high level identifiers

low level identifiers

authorization identifier

query identifier

Discuss

Answer: (c).authorization identifier

Q288.

If the explicit value of attributes is not provided in SQL then the value included in new tuple in such situation is called

sampled statement

decimal value

notation statement

default value

Discuss

Answer: (d).default value

Q289.

The command used in SQL which deletes the table definition as well as all the records available in the table is called

DELETE command

DROP TABLE command

PRIMARY KEY command

SECONDARY KEY command

Discuss

Answer: (b).DROP TABLE command

Q290.

The command used in SQL to specify new relation, its initial constraints and attributes is classified as

CREATE TABLE

CREATE IDENTIFIER

CREATE CATALOG

CREATE SCHEMAS

Discuss

Answer: (a).CREATE TABLE

Page 29 of 38

Welcome to the SQL MCQs Page

SQL MCQs | Page 29 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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