Interview Questions to Hire Database Administrator (DBA)

Database analysts work hard to ensure that companies' databases run efficiently and are secured. They also ensure a seamless flow between all users. They ensure effective security and privacy standards and assist with solving database issues as and when they arise.

When interviewing a Database administrator, it is important to identify their knowledge of data privacy and security and their technical knowledge surrounding databases in general. It’s also useful to look for Database administrators who have worked in a similar environment to yours and have a good understanding of business operations.

Role Specific Questions

• How would you migrate data from MySQL over to a Microsoft SQL server? What would be the steps you would take?
• How frequently would you run tests on the database to ensure the highest level of privacy and security?
• Have you used SQL previously? What do you think is the most helpful SQL query, and what role does it play?
• Have you ever used a foreign key? Tell me about the situation where you have used it, or where you may use it in the future.
• What steps do you take to ensure a database server is running at optimum performance?
• What do you find are the key differences between navigational and relational databases?
• Can you explain the key differences between T-SQL and PL/SQL?

Behavioral Questions

• When faced with a database problem, what are your steps in identifying the cause and resolving the issue?
• What steps do you take to further your knowledge about new and emerging technology and applications?
• What is your biggest project achievement so far? What did you enjoy about it?

Conclusion

Most Database administrators will be able to provide comprehensive answers and demonstrate in-depth knowledge of these subject matter questions. Look for answers using the star method, and identify where persons are using specific examples from their previous roles/experience to demonstrate their working knowledge.

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