Duplicate Training Runs
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 ML platform's training metadata table has duplicate runs inflating compute budgets. Surface models that were trained more than once on the same calendar day with the same framework, showing the model name, framework, training date, and run count.
Summary
Same model, trained twice.
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