Mentorship User Pairs

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

We're setting up an internal mentorship program. Find all pairs of users who have different age brackets, the same account status, and signed up in different years. Each pair should appear only once, with the smaller user ID first. Show both user IDs.

Summary

Pair them up. Mentor and mentee.

Practice This Problem

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