Welcome to the SQL Quiz! Structured Query Language (SQL) is a powerful tool used to manage and manipulate relational databases. SQL is essential for anyone working with data and is widely used in industries such as finance, healthcare, and technology. This quiz is designed to test your knowledge of SQL concepts, syntax, and best practices. Whether you’re a beginner or an experienced SQL developer, this quiz is a great way to challenge your skills and identify areas where you can improve your knowledge. So, get ready to put your SQL skills to the test and see how much you really know about this essential language. Good luck!

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SQL Quiz

The SQL Quiz is a comprehensive test of your knowledge of Structured Query Language (SQL), a powerful tool used to manage and manipulate relational databases.

1 / 30

Single-line comments in SQL are

2 / 30

To allow duplicate values in the union, use _______.

3 / 30

Every SELECT statement with the union have

4 / 30

Aliases can be created by

5 / 30

_______ is used to give a table a temporary name.

6 / 30

The MS SQL uses the ______ keyword to perform an auto-increment feature.

7 / 30

A view can be created by

8 / 30

SQL injection is a code injection technique

9 / 30

Which numeric data type has storage of 4 bytes?

10 / 30

Date Time “year” allows

11 / 30

Which of the following has a maximum length of 255 bytes?

12 / 30

In which of the following data type can we list 64 values?

13 / 30

Enum data type has only ______ value from a list of possible values.

14 / 30

What is the LONG BLOG data type?

15 / 30

The default size of the BIT data type is ______.

16 / 30

Aggregate is used to return

17 / 30

AVG(), COUNT(), FIRST(), MIN(), SUM() are all __________ function.

18 / 30

Which of the following date function return the current date & time?

19 / 30

Which of the following is not a type of data in SQL?

20 / 30

Which company first developed SQL language?

21 / 30

In which year did SQL become the standard American national standard Institute (ANSI)?

22 / 30

Which of the following is not a subclass of SQL?

23 / 30

SQL is a type of _______ language.

24 / 30

Which of the following is the incorrect SQL type?

25 / 30

What is the default value of the ORDER BY keyword?

26 / 30

The following command is used for SELECT * FROM customer

27 / 30

DROP INDEX command is used to

28 / 30

SQL keywords are case sensitive

29 / 30

Actions in SQL are done by

30 / 30

What is the full form of SQL?

Author

  • Barry Allen

    A Full Stack Developer with 10+ years of experience in different domain including SAP, Blockchain, AI and Web Development.


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