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Database Administrator Interview Questions

25 Questions and Answers by

William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.

Database Administrator was updated on October 9th, 2020. Learn more here.

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What is a tablespace?

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List of 25 Database Administrator Interview Questions & Answers

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  1. 1.

    What is a tablespace?

  2. 2.

    What is normalization? Explain different levels of normalization?

  3. 3.

    Explain the difference between explicit and implicit lock?

  4. 4.

    Tell me your most successful program, project, or whatever you worked on that you were most proud of at your last job?

  5. 5.

    What is written in the redo log file?

  6. 6.

    What is the difference between a primary key and a unique key?

  7. 7.

    When did you know you wanted to be a Database Administrator?

  8. 8.

    What information is stored in the control file?

  9. 9.

    What is a checkpoint?

  10. 10.

    Are you a development DBA or a production DBA?

  11. 11.

    What is the job of SMON, PMON processes?

  12. 12.

    What excites you about this position?

  13. 13.

    Tell me about your education relating to database management?

  14. 14.

    Why are you the best person for this position?

  15. 15.

    What are user-defined database functions, and when should you go for them?

  16. 16.

    Tell me about your most memorable experience during yourundergrad education?

  17. 17.

    What is instance recovery?

  18. 18.

    Explain the difference between a database manager and a data manager?

  19. 19.

    Why did you choose to apply to our company when there are so many other opportunities for someone with your skills and experience?

  20. 20.

    How do you implement one to one, one to many, and many to many relationships while designing tables?

  21. 21.

    What are the different modes of mounting a database with a parallel server?

  22. 22.

    What about data fascinates you?

  23. 23.

    What types of databases do you work with?

  24. 24.

    Do you have experience with on-premises databases, cloud databases or both?

  25. 25.

    Can you explain what ODBC is?