Zero Accuracy on First Training
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
- L4
Interview Prompt
What percentage of models had an accuracy of 0 on their very first training run? Only consider models with a non-null status, as null status means the training was cancelled. Return a single percentage.
Summary
First run. Zero accuracy. How common?
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