For each event, list the names of all its properties as prop_names and count how many properties it

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

Domain

SQL

Difficulty

medium

Problem

For each event, list the names of all its properties as prop_names and count how many properties it has as prop_count. Return event_id, prop_names, and prop_count.

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