MySQL - Creating Views MCQ

MySQL – Creating Views MCQ

1 / 25

1. What is a MySQL view?

A stored procedure

A database schema

A virtual table

A physical table

2 / 25

2. Which of the following statements about views is true?

Views store data

Views are physically created

Views can be modified

Views are used for data insertion

3 / 25

3. What is the primary purpose of creating views in MySQL?

To store data

To create physical tables

To encapsulate complex logic

To sort data

4 / 25

4. What does a MySQL view represent?

A virtual table

A primary key column

A physical table

A stored procedure

5 / 25

5. How is data stored in a MySQL view?

In a separate database

In a stored procedure

In a virtual table

In a physical table

6 / 25

6. What is the primary benefit of using views in MySQL?

To improve data security

To eliminate the need for queries

To create physical tables

To remove the need for indexes

7 / 25

7. In MySQL, what type of SQL object is a view?

A stored procedure

A trigger

A constraint

A table

8 / 25

8. What does a MySQL view allow you to do?

Encapsulate complex logic

Sort data

Create physical tables

Store data

9 / 25

9. How are views created in MySQL?

By using the CREATE VIEW statement

By creating a physical table

By inserting data into them

By defining them in a stored procedure

10 / 25

10. What SQL statement is used to create a view in MySQL?

CREATE VIEW

CREATE DATABASE

INSERT INTO

CREATE TABLE

11 / 25

11. What does the SELECT statement in a CREATE VIEW statement define?

The columns to be indexed

The table to be created

The structure and data for the view

The data to be inserted into the view

12 / 25

12. In MySQL, can you update the data in a view directly?

Yes

Only with specific permissions

Only if it's a physical table

13 / 25

13. What is the purpose of using aliases in a view’s SELECT statement?

To sort data

To create physical tables

To simplify queries

To create new columns

14 / 25

14. Which SQL statement allows you to modify an existing view in MySQL?

ALTER VIEW

MODIFY VIEW

MODIFY TABLE

ALTER TABLE

15 / 25

15. How can you remove a view in MySQL?

Using the DROP TABLE statement

Using the DROP VIEW statement

Using the DELETE statement

Using the DROP DATABASE statement

16 / 25

16. What happens when you drop a view in MySQL?

The data in the view is deleted

The view is removed from the database

The underlying table is dropped

The database becomes read-only

17 / 25

17. Which of the following is not a typical use case for MySQL views?

Data aggregation

Data security

Complex data transformations

Physical table creation

18 / 25

18. In MySQL, how can you improve the performance of a view?

Avoid using views altogether

Use it for all data operations

Ensure proper indexing

Use it in the DELETE statement

19 / 25

19. Can you insert data into a view in MySQL?

Yes

Only if it's a physical table

Only if it's a non-correlated view

20 / 25

20. What is the primary advantage of creating views for reporting purposes?

They enforce data constraints

They simplify complex SQL queries

They replace the need for indexes

They store large amounts of data

21 / 25

21. What is the typical role of views in enforcing data security in MySQL?

Views restrict access to specific data

Views encrypt data

Views allow all users to access data

Views duplicate data

22 / 25

22. In MySQL, how can you modify the structure of an existing view?

By using the UPDATE statement

By using the ALTER TABLE statement

By dropping and recreating the view

By using the CREATE VIEW statement

23 / 25

23. What type of SQL statement is used to retrieve data from a view?

INSERT

UPDATE

DELETE

SELECT

24 / 25

24. What does a MySQL view allow you to do with complex data transformations?

Simplify them

Eliminate the need for them

Make them more complex

Encrypt the data

25 / 25

25. In MySQL, what should you consider when using views to ensure data accuracy?

Avoiding the use of views

Creating as many views as possible

Ensuring that views are updatable

Verifying that views reflect changes

Your score is