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Some payload JSON documents contain a nested 'details' object

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

Some payload JSON documents contain a nested 'details' object. Extract the value at the path $.details.source from the payload column, aliased as traffic_source. Also return event_id. Only include rows where event_type is 'page_view'.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

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