For each user, count their distinct event types and total events

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

Domain

SQL

Difficulty

medium

Problem

For each user, count their distinct event types and total events. Return user_id, distinct_events, and total_events ordered by variety.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.