Explore topic-wise MCQs in Mysql.

This section includes 26 Mcqs, each offering curated multiple-choice questions to sharpen your Mysql knowledge and support exam preparation. Choose a topic below to get started.

1.

Is there any error in the following query?
SELECT emp_id, title, start_date, fname, fed_id
FROM Employee
ORDER BY 3, 4;
A. No
B. Depends
C. Yes
D. All of above
E. None of these
Answer» B. Depends
Discussion
2.

Is there any error in the following query?
SELECT emp_id, title, start_date, fname, fed_id
FROM Employee
ORDER BY LEFT (fed_id, 5);
A. Depends
B. Yes
C. No error
D. All of above
E. None of these
Answer» D. All of above
Discussion
3.

Is there any error in the following query?
SELECT emp_id, title, start_date, First_name, fed_id
FROM Employee
ORDER BY RIGHT (fed_id, 3);
A. No error
B. Depends
C. Yes
D. All of above
E. None of these
Answer» B. Depends
Discussion
4.

If id contain the following set {9, 7, 6, 4, 3, 1, 2}, what will be the output on execution of the given query?
SELECT id
FROM student
ORDER BY id ASC;
A. {2, 1, 3, 4, 6, 7, 9}
B. {9, 7, 6, 4, 3, 1, 2}
C. {1, 2, 3, 4, 6, 7, 9}
D. All of above
E. None of these
Answer» D. All of above
Discussion
5.

If id contain the following set {9, 7, 6, 4, 3, 1, 2}, what will be the output on execution of the given query?
SELECT id
FROM Student
ORDER BY id DESC;
A. {1, 2, 3, 4, 6, 7 , 9}
B. {2, 1, 3, 4, 6, 7, 9}
C. {9, 7, 6, 4, 3, 1, 2}
D. All of above
E. None of these
Answer» D. All of above
Discussion
6.

What is the significance of ORDER BY emp_id ASC in the given query?
SELECT id, First_name, Last_name
FROM Student
ORDER BY id ASC;
A. Data of id will be sorted in either ascending or descending order
B. Data of id will be sorted in descending order
C. Data of id will be sorted in ascending order
D. All of above
E. None of these
Answer» C. Data of id will be sorted in ascending order
Discussion
7.

What is the significance of ORDER BY emp_id DESC in the given query?
SELECT id, First_name, Last_name
FROM Student
ORDER BY id DESC;
A. Data of id will be sorted in ascending order
B. Data of id will be sorted in either ascending or descending order
C. Data of id will be sorted in descending order
D. All of above
E. None of these
Answer» D. All of above
Discussion
8.

What will be the order of sorting in the given query?
SELECT emp_id, emp_name
FROM Employee
ORDER BY emp_id, emp_name;
A. Sorting {emp_name, emp_id}
B. Sorting (emp_id} but not emp_name
C. Sorting {emp_id, emp_name}
D. All of above
E. None of these
Answer» D. All of above
Discussion
9.

What is the significance of ORDER BY in the given query?
SELECT emp_id, fname, lname
FROM Employee
ORDER BY emp_id;
A. Data of emp_id will be sorted in descending order
B. Data of emp_id will be sorted in ascending order
C. Data of emp_id will be sorted
D. All of above
E. None of these
Answer» D. All of above
Discussion
10.

If emp_id contain the following set {-1, -2, 2, 3, -3, 1}, what will be the output on execution of the given query?
SELECT id
FROM Student
ORDER BY id;
A. {-1, 1, -2, 2, -3, 3}
B. {1, 2, 3, -1, -2, -3}
C. {-3, -2, -1, 1, 2, 3}
D. All of above
E. None of these
Answer» D. All of above
Discussion
11.

If emp_id contain the following set {1, 2, 2, 3, 3, 1}, what will be the output on execution of the given query?
SELECT id
FROM Student
ORDER BY id;
A. {1, 2, 3, 3, 2, 1}
B. {2, 2, 1, 1, 3, 3}
C. {1, 1, 2, 2, 3, 3}
D. All of above
E. None of these
Answer» D. All of above
Discussion
12.

If emp_id contain the following set {1, 2, 3, 4, 1, 1}, what will be the output on execution of the given query?
SELECT id
FROM Student
ORDER BY id;
A. {1, 2, 3, 4, 1, 1}
B. {1, 1, 2, 3, 4, 1}
C. {1, 1, 1, 2, 3, 4}
D. All of above
E. None of these
Answer» D. All of above
Discussion
13.

If emp_id contain the following set {9, 7, 6, 4, 3, 1, 2}, what will be the output on execution of the given query?
SELECT emp_id
FROM Employee
ORDER BY emp_id;
A. {2, 1, 4, 3, 7, 9, 6}
B. {9, 7, 6, 4, 3, 1, 2}
C. {1, 2, , 3, 4, 6, 7, 9}
D. All of above
E. None of these
Answer» D. All of above
Discussion
14.

If emp_id contain the following set {1, 2, 2, 3, 3, 1}, what will be the output on execution of the given query?

A. {1, 2, 3, 3, 2, 1}
B. {2, 2, 1, 1, 3, 3}
C. {1, 1, 2, 2, 3, 3}
D. All of above
E. None of these
Answer» D. All of above
Discussion
15.

If emp_id contain the following set {1, 2, 3, 4, 1, 1}, what will be the output on execution of the given query?

A. {1, 2, 3, 4, 1, 1}
B. {1, 1, 2, 3, 4, 1}
C. {1, 1, 1, 2, 3, 4}
D. All of above
E. None of these
Answer» D. All of above
Discussion
16.

If emp_id contain the following set {9, 7, 6, 4, 3, 1, 2}, what will be the output on execution of the given query?

A. {2, 1, 4, 3, 7, 9, 6}
B. {9, 7, 6, 4, 3, 1, 2}
C. {1, 2, , 3, 4, 6, 7, 9}
D. All of above
E. None of these
Answer» D. All of above
Discussion
17.

What is the significance of ORDER BY in the given query?

A. Data of emp_id will be sorted in descending order
B. Data of emp_id will be sorted in ascending order
C. Data of emp_id will be sorted
D. All of above
E. None of these
Answer» D. All of above
Discussion
18.

What is the meaning of ORDER BY clause in Mysql?

A. Sorting your result set using row data
B. Aggregation of fields
C. Sorting your result set using column data
D. All of above
E. None of these
Answer» D. All of above
Discussion
19.

Is GROUP BY clause is similar to ORDER BY clause?

A. Depends
B. Yes
C. No
D. All of above
E. None of these
Answer» B. Yes
Discussion
20.

What is the significance of ORDER BY emp_id ASC in the given query?

A. Data of id will be sorted in either ascending or descending order
B. Data of id will be sorted in descending order
C. Data of id will be sorted in ascending order
D. All of above
E. None of these
Answer» C. Data of id will be sorted in ascending order
Discussion
21.

What is the significance of ORDER BY emp_id DESC in the given query?

A. Data of id will be sorted in ascending order
B. Data of id will be sorted in either ascending or descending order
C. Data of id will be sorted in descending order
D. All of above
E. None of these
Answer» D. All of above
Discussion
22.

Keyword ASC and DESC cannot be used without which clause in Mysql?

A. SELECT
B. HAVING
C. GROUP BY
D. ORDER BY
E. None of these
Answer» E. None of these
Discussion
23.

If emp_id contain the following set {-1, -2, 2, 3, -3, 1}, what will be the output on execution of the given query?

A. {-1, 1, -2, 2, -3, 3}
B. {1, 2, 3, -1, -2, -3}
C. {-3, -2, -1, 1, 2, 3}
D. All of above
E. None of these
Answer» D. All of above
Discussion
24.

What will be the order of sorting in the given query?

A. Sorting {emp_name, emp_id}
B. Sorting (emp_id} but not emp_name
C. Sorting {emp_id, emp_name}
D. All of above
E. None of these
Answer» D. All of above
Discussion
25.

Is there any error in the following query?

A. No error
B. Depends
C. Yes
D. All of above
E. None of these
Answer» B. Depends
Discussion
26.

If id contain the following set {9, 7, 6, 4, 3, 1, 2}, what will be the output on execution of the given query?

A. {2, 1, 3, 4, 6, 7, 9}
B. {9, 7, 6, 4, 3, 1, 2}
C. {1, 2, 3, 4, 6, 7, 9}
D. All of above
E. None of these
Answer» D. All of above
Discussion