Count the number of tags for each event using CARDINALITY, and only include events that have more th

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

Domain

SQL

Difficulty

medium

Problem

Count the number of tags for each event using CARDINALITY, and only include events that have more than 2 tags. Return event_id and the tag count aliased as tag_count.

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