From event_data, return event_id and JSON_EXTRACT_SCALAR(properties, '$.utm_source') AS utm_source f
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
Interview Prompt
From event_data, return event_id and JSON_EXTRACT_SCALAR(properties, '$.utm_source') AS utm_source for rows where JSON_EXTRACT_SCALAR(properties, '$.utm_source') IS NOT NULL. Order by event_id.
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