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User Session Roster
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- junior
Problem
Produce a complete user-to-session roster that includes users who have never started a session. Show each user's name, account status, signup date, and session start time, by username and then session start.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.