MySQL Developer Interview Questions & Answers

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MySQL Developers are responsible for developing, testing, improving and maintaining new and existing MySQL databases to help users retrieve data effectively.

Whether you're a job seeker preparing to be interviewed for the role of MySQL Developer or an employer preparing to interview candidates for MySQL Developer position, these MySQL Developer interview questions will help you prepare yourself for the job interview session.

MySQL Developer Interview Questions

Below are a list of some skill-based MySQL Developer interview questions.

1. Can you explain what a database is? How does it differ from other data management systems?
2. What’s the difference between SQL and MySQL?
3. Why should we use MySQL instead of Oracle?
4. What are the different types of locks available in MySQL?
5. What’s the default port number for MySQL?
6. What are the steps involved in creating a MySQL database?
7. What are the steps involved in creating a table in MySQL?
8. What are the benefits of using indexes in MySQL?
9. What’s the advantage of using prepared statements over regular statements in MySQL?
10. What are the differences between InnoDB and MyISAM storage engines? Which one would you recommend?
11. What are the various limitations associated with MySQL?
12. Talk about the best MySQL projects in your portfolio.
13. Are you certified in MySQL?
14. Do you have any other specialty training and education? If yes, what is it?
15. List the benefits of MySQL.
16. What other database products do you know?
17. Do you have any weaknesses or blind spots in MySQL? What are they?
18. What are your strengths involving MySQL?
19. How many years have you been working with MySQL?
20. How can you apply your development experience to this role?
21. Explain the function myisamchk and when you would use it.
22. List all the string types available for a column.
23. How do you create a view in MySQL?
24. What is a self referencing foreign key? Give an example.
25. Explain how you would reset a user's password.
26. Describe how you would import tables from a SQL file into MySQL.
27. Explain the INFULL() function and what it does.
28. Tell me how you would export a table into XML format.
29. Explain the use of “federated” tables in MySQL.
30. What happens when the column is set to AUTO INCREMENT and if you reach maximum value in the table?
31. What do you mean by % and _ in the LIKE statement?
32. What is the difference between BLOB AND TEXT?
33. How can we run batch mode in mysql?
34. What is the difference between NOW() and CURRENT_DATE()?
35. What are Views, Stored Procedure and Triggers in MySQL?
36. How can you create and execute Stored Procedure and Triggers in MySQL?
37. What is the difference between FLOAT and DOUBLE?
38. What is the difference between TRUNCATE and DELETE in MySQL?
39. What is REGEXP?

MySQL Developer Interview Questions and Answers

Every interview is different and the questions may vary. However, there are lots of general questions that get asked at every interview.

Below are some common questions you'd expect during MySQL Developer interviews. Click on each question to see how to answer them.

1. Why Do You Want To Leave Your Current Job?
2. What is Your Greatest Strength?
3. Tell Me About Yourself
4. Why Do You Want This Job?
5. Are You a Leader or a Follower?
6. What Is Your Greatest Accomplishment?
7. What is Your Salary Expectation?
8. Do You Have Any Questions for Us?
9. Why Should We Hire You?
10. What is Your Greatest Weakness?

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