Group events by the 'source' field extracted from payload using JSON_EXTRACT_SCALAR

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Problem

Group events by the 'source' field extracted from payload using JSON_EXTRACT_SCALAR. Return the extracted source aliased as traffic_source and the count of events aliased as event_count. Order by event_count descending.

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