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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.

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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 26 of 38

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Q251.
'AS' clause is used in SQL for

a.

Selection operation.

b.

Rename operation.

c.

Join operation.

d.

Projection operation.

Discuss
Answer: (b).Rename operation.
Q252.
The type of function which allows performing additional operations and sending messages to other tables in database program is considered as

a.

trigger

b.

semantics

c.

index

d.

structure

Discuss
Answer: (a).trigger
Q253.
The technique in which source program are replaced by database management generated code is classified as

a.

referential SQL

b.

embedded SQL

c.

interpreted SQL

d.

embossed SQL

Discuss
Answer: (b).embedded SQL
Q254.
In database management systems, the record which contains all the data regarding tuples of database is called

a.

statement record

b.

environment record

c.

description record

d.

connection record

Discuss
Answer: (c).description record
Q255.
The database program which handles software applications and include database servers calls to update the data is classified as

a.

client program

b.

host program

c.

iterator program

d.

loop program

Discuss
Answer: (a).client program
Q256.
The database interface in which the data is directly entered into the monitor is classified as

a.

interactive interface

b.

direct interface

c.

monitored interface

d.

command interface

Discuss
Answer: (a).interactive interface
Q257.
The type of iterator which is used to list the types of attributes that are included in the query result is called

a.

positional iterator

b.

named iterator

c.

unnamed iterator

d.

non-positioned iterator

Discuss
Answer: (a).positional iterator
Q258.
In query result, the type of variable which is used to loop tuples is called

a.

cursor

b.

iterator variable

c.

loop variable

d.

both a and b

Discuss
Answer: (d).both a and b
Q259.
The variable in DBMS used to communicate error conditions between database management system and program are

a.

SQLCODE

b.

SQLSECTION

c.

SQLSTATE

d.

both b and c

Discuss
Answer: (d).both b and c
Q260.
In database management system, if the cursor is to be moved to next rows in queries result then the command is classified as

a.

OPEN CURSOR command

b.

FETCH command

c.

UPDATE command

d.

CLOSE CURSOR command

Discuss
Answer: (b).FETCH command
Page 26 of 38

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