Where in the World Are Our Customers?
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
The go-to-market team keeps insisting the customer base is concentrated in a single country, and we want the real spread before the next planning cycle. Break the customers down by country and give each country's percentage of the whole, biggest share first.
Summary
One country dominates the logo wall. Or does 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