3. Databases

Sql Fundamentals — Quiz

Test your understanding of sql fundamentals with 5 practice questions.

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Practice Questions

Question 1

What does DDL stand for in SQL?

Question 2

Which SQL command is used to retrieve data from a database?

Question 3

What is the purpose of a JOIN in SQL?

Question 4

What does the GROUP BY clause do in SQL?

Question 5

Which of the following is an example of a subquery?