Most Frequent Error Types
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
During an incident postmortem, on-call wants the error types showing up most often in the tracking table. Give the number of logged reports for each error type, from the most to the fewest.
Summary
The errors that keep coming back.
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