Weekly Build Status Report
A hard 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
- hard
- Seniority
- L5
Interview Prompt
`ci_builds` logs one row per CI run across several years, each with a `built_at` timestamp and a `status`. For each week of runs, labeled with the date it starts, show how many runs ended as success, failed and canceled.
Summary
Every CI run, bucketed by week.
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