From event_data, return event_id and JSON_EXTRACT_SCALAR(properties, '$.os') as os

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(properties, '$.os') as os. Only include rows where JSON_EXTRACT_SCALAR(properties, '$.os') IS NOT NULL. Order by event_id ascending.

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