The Well-Defended Borders
An easy SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L3
Interview Prompt
The infrastructure team is enforcing a minimum cluster size policy: regions with too few running nodes need additional provisioning. Show each region that already meets the minimum, along with its count of running nodes.
Summary
Some frontiers already stand ready. Find the ones that do.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision