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Early User Activation

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

Domain
SQL
Difficulty
medium
Seniority
mid

Problem

We want to see which users activated early. Surface users who recorded at least one session within 365 days of signing up, showing user ID, signup date, and session count in that window. Users with zero sessions in their first year should not appear.

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.