Oldest and Newest User Sessions
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L4
Problem
The growth team wants to compare engagement between the very first person to sign up and the most recent one, looking only at people who have actually logged a session. Return every session record belonging to those two users.
Summary
The extremes of the user base.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.