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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 3 of 4

Q21.
The option that executes all SQL statements in a SQL script irrespective of the number of errors is ____________
Discuss
Answer: (b).–force
Q22.
What is the number of attributes in the following SQL table?
CREATE TABLE employee (
  emp_name CHAR(30),
  emp_id INT
 );

a.

1

b.

2

c.

3

d.

30

Discuss
Answer: (b).2
Q23.
How many of the following do not return rows?

SELECT, SHOW, DESCRIBE

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q24.
What does mysql_fetch_row() return?
Discuss
Answer: (d).pointer
Q25.
The columns containing a binary value that include null bytes will print properly using the %s printf() format specifier.
Discuss
Answer: (b).False
Q26.
User defined variables are session specific.
Discuss
Answer: (a).True
Q27.
Hexadecimal values assigned to user variables are treated as _____________
Discuss
Answer: (c).binary strings
Q28.
What is the type of Audit_log_events system variable?
Discuss
Answer: (b).integer
Q29.
Multiple statement execution is disabled by default.
Discuss
Answer: (a).True
Q30.
The option that enables multiple-statement execution is ____________
Discuss
Answer: (a).CLIENT_MULTI_STATEMENTS
Page 3 of 4

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