Database Administrator (DBA) qualifications to look for
Database Administrators (DBA) secure company databases so information flows consistently between front-end and back-end users.
Top candidates should have solid experience in database administration and a strong familiarity with data privacy and recovery procedures. An academic background in Computer Science and knowledge of statistical analysis packages are not required but may set a competitive candidate apart from the pack.
Keep an eye out for candidates who are:
- Empathetic and in line with your company’s need
- Team players
Top tip: Hire candidates willing to grow by making sure their personal career goals align with your company's mission.
Problem-solving interview questions
- How do you define system storage requirements for a new employee database?
- What schedule would you set up to perform tests to ensure data privacy?
- What security measures would you take to protect our databases from external threats?
- Walk me through the process of transferring data from MySQL to Microsoft SQL Server.
- How would you run a test on a live database? Is there a time when you should and shouldn’t do this?
Role-specific interview questions
- Describe the difference between T-SQL and PL/SQL. What are examples when you would use either?
- Name the most useful SQL queries and their roles.
- Explain the difference between navigational and relational databases.
- In what instance should you use a foreign key?
- In what instance would you use “CHAR”? How about “VARCHAR”?
- What are the metrics you use to identify if a database server is running properly?
Behavioral interview questions
- What project are you most proud of? How did it change you as a professional?
- Describe a time you implemented a solution that improved data storage.
- What resources and publications do you follow to keep up with industry news?