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Welcome to the System and User Variables MCQs Page

Dive deep into the fascinating world of System and User Variables with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of System and User Variables, a crucial aspect of MySQL Database. In this section, you will encounter a diverse range of MCQs that cover various aspects of System and User Variables, 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 MySQL Database.

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Check out the MCQs below to embark on an enriching journey through System and User Variables. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MySQL Database.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of System and User Variables. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

System and User Variables MCQs | Page 1 of 4

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Q1.
Which system variable when set to 1, makes all temporary tables to get stored on disk rather than in memory?

a.

basedir

b.

back_log

c.

big_tables

d.

bind_address

Discuss
Answer: (c).big_tables
Q2.
The permitted value type for the variable ‘character_set_client’ is _____________

a.

integer

b.

float

c.

double

d.

string

Discuss
Answer: (d).string
Q3.
‘character_set_database’ represents the character set used by the default database.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q4.
Which string function returns the index of the first occurrence of substring?

a.

INSERT()

b.

INSTR()

c.

INSTRING()

d.

INFSTR()

Discuss
Answer: (b).INSTR()
Q5.
Which module links DBI to the web?

a.

CGI.pn

b.

CGI.pem

c.

CGI.pm

d.

CGI.po

Discuss
Answer: (c).CGI.pm
Q6.
What does CGI stand for?

a.

Computer Gateway Interface

b.

Common Gateway Interface

c.

Computer Generated Interface

d.

Common Generated Interface

Discuss
Answer: (b).Common Gateway Interface
Q7.
The line that is written at the top of the script to write a Perl script using CGI.pm is ___________

a.

use this CGI

b.

put CGI

c.

use CGI

d.

include CGI

Discuss
Answer: (c).use CGI
Q8.
What is the shebang line?

a.

#!

b.

!#

c.

#$

d.

$#

Discuss
Answer: (a).#!
Q9.
Which of these is a read only variable?

a.

error_count

b.

big_tables

c.

autocommit

d.

foreign_key_checks

Discuss
Answer: (a).error_count
Q10.
Which variable when set to 1 would enable foreign key checking for InnoDB tables?

a.

error_count

b.

identity

c.

foreign_key_checks

d.

autocommit

Discuss
Answer: (c).foreign_key_checks
Page 1 of 4

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