Put it together: for purchase events, extract the currency and the amount from the payload, keep onl
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
Interview Prompt
Put it together: for purchase events, extract the currency and the amount from the payload, keep only purchases with amount >= 100, then return each currency with the count of such purchases. Columns: currency, big_purchase_count. Order by big_purchase_count descending then currency ascending.
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