The Opening Run
A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L4
Interview Prompt
The data platform team wants to see how many rows each batch job processed on its very first run, as a baseline for measuring throughput improvements over time. Show the job name and rows done from that first execution.
Summary
Before the tuning, before the records. What the first pass carried home.
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