Most Frequent Error Types
A medium 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
- medium
- Seniority
- L3
Interview Prompt
On-call is triaging `err_tracks`, an error log where each report names an error type and records how many times that error fired. Surface the error types that fire the most in total, and for each show how many reports arrived alongside that firing total.
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 and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision