Above the Line
A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- L4
Interview Prompt
A cloud finance team wants to know how many of their services rack up a real monthly bill, counting a service the moment its total spend for a month reaches $100. Month by month, report the percentage of services that cross that line.
Summary
The budget line is here. How many crossed it?
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