Heavy Hitters
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 eng director wants to spot repos with higher-than-average activity. Count commits per repo in repo_commits, compare against the overall average commits per repo across the table, and keep repos that exceed it. Return the repo_name and its commit count.
Summary
Some repos never sleep.
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