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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

The product org tracks engagement trends month over month. For the last 6 months, show the count of unique active users and the average session duration per month. Only include months where the total number of sessions exceeded 3. Present the results chronologically.

Summary

Anyone can create an account. Fewer actually return.

Practice This Problem

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