Use a CTE to calculate average session duration per user, then show usernames sorted by longest aver

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

Domain

SQL

Difficulty

medium

Problem

Use a CTE to calculate average session duration per user, then show usernames sorted by longest average session

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