From event_data, return event_id and JSON_EXTRACT_SCALAR(payload, '$.currency') AS currency for even
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
Problem
From event_data, return event_id and JSON_EXTRACT_SCALAR(payload, '$.currency') AS currency for event_type = 'purchase'. Order by event_id.
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