A logic bug corrupted 3 days of a 2-year partitioned table
A medium Pipeline Design mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Pipeline Design
- Difficulty
- medium
Interview Prompt
A logic bug corrupted 3 days of a 2-year partitioned table. Reprocessing all 2 years to fix 3 days is wasteful and risks the SLA. Design a backfill that re-computes only the affected partitions, idempotently.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your pipeline design solution with real code execution
- Get instant feedback and a hire/no-hire decision