Database Developer Interview Questions

Database Developer Interview Questions

When you interview for a job as a database developer, expect the interviewer to assess how you compile a database system that meets the company's needs while also troubleshooting potential issues. Employers seek candidates who have strong problem-solving and organizational skills as well as possess a strong understanding of database systems.

Top Database Developer Interview Questions & How To Answer

Question 1

Question #1: How would you handle data loss during a migration?

How to answer
How to answer: While this is an issue all database developers seek to avoid, it's not always guaranteed that data remains secure when migration occurs. Answering this question lets the interviewer know how you handle challenges and save a company from certain data disasters. You could also mention steps the company could take to prevent data loss before the migration.
Question 2

Question #2: When do you decide certain databases need upgrading?

How to answer
How to answer: With this open-ended question, interviewers will examine your expertise in the industry. You should know specifics about certain programs and how often they need upgrading. Discuss how you work collaboratively and communicate efficiently with management as to when upgrades need to occur.
Question 3

Question #3: How did you overcome challenges on a recent project?

How to answer
How to answer: Even if you have the best plans for a database project, you might come across issues. Give examples highlighting your problem-solving skills and ability to handle a workload. The interviewer will learn how you operate under pressure and troubleshoot any issues.

5,611 database developer interview questions shared by candidates

 Working with Offshore team on pending issues and coordinating migration project activities to meet the project deadlines.  Responsible for database refresh and coordinating with QA Team.  Proactive monitoring of SQL server known issues related to performance.  Writing Custom scripts to refresh tables and monitoring jobs.  Troubleshooting performance issues in production and non-production servers.  Providing support for database mirroring, always on and log shipping implementation.
avatar

SQL Database Administrator

Interviewed at Intone Networks

4
Feb 23, 2016

 Working with Offshore team on pending issues and coordinating migration project activities to meet the project deadlines.  Responsible for database refresh and coordinating with QA Team.  Proactive monitoring of SQL server known issues related to performance.  Writing Custom scripts to refresh tables and monitoring jobs.  Troubleshooting performance issues in production and non-production servers.  Providing support for database mirroring, always on and log shipping implementation.

Puzzle "Three Light Bulbs & Switches in a Room": A windowless room contains three identical light fixtures, each containing an identical light bulb or light globe. Each light is connected to one of three switches outside of the room. Each bulb is switched off at present. You are outside the room, and the door is closed. You have one, and only one, opportunity to flip any of the external switches. After this, you can go into the room and look at the lights, but you may not touch the switches again. How can you tell which switch goes to which light?"
avatar

Data Analyst (Database Architect)

Interviewed at Arizona Department of Corrections, Rehabilitation & Reentry

2.7
Aug 20, 2016

Puzzle "Three Light Bulbs & Switches in a Room": A windowless room contains three identical light fixtures, each containing an identical light bulb or light globe. Each light is connected to one of three switches outside of the room. Each bulb is switched off at present. You are outside the room, and the door is closed. You have one, and only one, opportunity to flip any of the external switches. After this, you can go into the room and look at the lights, but you may not touch the switches again. How can you tell which switch goes to which light?"

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