The Loudest Failures
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L3
Interview Prompt
The reliability team is running a postmortem on the error types that piled up across 2026. For each type, find how many were recorded that year, listed from most to least frequent.
Summary
Twelve months of errors. Which types showed up most?
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision