Explore topic-wise MCQs in Mysql.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Mysql knowledge and support exam preparation. Choose a topic below to get started.

1.

What does name represent in the following code snippet?
CREATE TABLE Employee
 (
 Emp_name CHAR(30),
 Emp_id INT(10),
 Emp_address CHAR(30),
 Emp_phone CHAR(12)
 );
A. A column
B. An object
C. A row
D. A table
E. None of these
Answer» B. An object
Discussion
2.

What is true about the following SQL statement?
SELECT * FROM Student;
A. display only column names in Student
B. improper case being used
C. invalid
D. display contents of Student
E. None of these
Answer» E. None of these
Discussion
3.

What is the meaning of EMPTY SET in the following query?
SELECT First_name, Last_name, Emp_id
FROM Employee
WHERE Last_name= Gupta ;
/* after Execution*/ Mysql tool RETURN EMPTY SET 0:00sec
A. Error
B. Access denied
C. No values
D. All of above
E. None of these
Answer» D. All of above
Discussion
4.

Which of the following is more efficient?
LOAD DATA, INSERT

A. INSERT
B. indeterminate
C. same
D. LOAD DATA
E. None of these
Answer» E. None of these
Discussion
5.

The function used to convert a string to an int is ______________.

A. INET_ITOS()
B. INET_STOI()
C. INET_ATON()
D. INET_NTOA()
E. None of these
Answer» D. INET_NTOA()
Discussion
6.

The function used to convert an int to string is ______________.

A. INET_STOI()
B. INET_ATON()
C. INET_NTOA()
D. INET_ITOS()
E. None of these
Answer» D. INET_ITOS()
Discussion
7.

In MySQL databases, the structure representing the organizational views of the entire databases is ____________.

A. Instance
B. Table
C. View
D. Schema
E. None of these
Answer» E. None of these
Discussion
8.

The MySQL server used in its client/server architecture is _______________.

A. mysqlc
B. mysqld
C. mysqlb
D. mysqla
E. None of these
Answer» C. mysqlb
Discussion
9.

The tool for copying databases is ______________.

A. mysqlhotcopy
B. mysql
C. mysqlisamchk
D. mysqlcheck
E. None of these
Answer» B. mysql
Discussion
10.

What does name represent in the following code snippet?

A. A column
B. An object
C. A row
D. A table
E. None of these
Answer» B. An object
Discussion
11.

Which of the following statements is valid if `sampledb` is a database and `tbl` is a table in it?

A. SELECT * FROM `member`.`sampledb`
B. SELECT * FROM `sampledb.member`
C. SELECT * FROM `member.sampledb`
D. SELECT * FROM `sampledb`.`member`
E. None of these
Answer» E. None of these
Discussion
12.

The default case sensitivity of database and table names depends on ___________.

A. Does not depend on anything
B. Operating system of machine
C. SQL server
D. Server SQL mode
E. None of these
Answer» C. SQL server
Discussion
13.

What represents a tuple in a relational database?

A. Object
B. Table
C. Row
D. Column
E. None of these
Answer» D. Column
Discussion
14.

What represents an attribute in a relational database?

A. Row
B. Column
C. Object
D. Table
E. None of these
Answer» C. Object
Discussion
15.

Which property determines whether a database object is case sensitive?

A. ATOMICITY
B. NORMALIZATION
C. COLLATION
D. COLLABORATION
E. None of these
Answer» D. COLLABORATION
Discussion
16.

The users responsible for query processing in database system are

A. Specialized users
B. Native users
C. Application programmers
D. Sophisticated users
E. None of these
Answer» E. None of these
Discussion
17.

What is the meaning of EMPTY SET in the following query?

A. Error
B. Access denied
C. No values
D. All of above
E. None of these
Answer» D. All of above
Discussion
18.

What jobs Query Optimizer perform in Mysql?

A. Permissions
B. Determine the efficient way to execute a query
C. Syntax errors
D. All of above
E. None of these
Answer» C. Syntax errors
Discussion