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A collection of common SQL questions and answers.
Practice these questions and get feedbacks! It will help you improve your answer.
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1. How do you create a new database in MySQL?
2. What is the purpose of the GRANT statement?
3. How do you create a database user in MySQL?
4. What is the purpose of the UNION operator?
5. What is the difference between an INNER JOIN and an OUTER JOIN?
6. How do you create a stored procedure in MySQL?
7. How do you delete all rows from a table?
8. What is the purpose of the FOREIGN KEY constraint?
9. How do you create a database backup in MySQL?
10. How do you insert multiple rows into a table at once?
11. How do you update multiple rows in a table at once?
12. What is the purpose of the GROUP BY clause?
13. How do you create a view in MySQL?
14. What is the purpose of the PRIMARY KEY constraint?
15. What is the purpose of the ORDER BY clause?
16. What is the purpose of the INDEX keyword?
17. What is the purpose of the LIMIT clause?
18. How do you create a trigger in MySQL?
19. What is the purpose of the HAVING clause?