Measure user tenure

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

Domain

SQL

Difficulty

medium

Problem

Measure user tenure. For each user, calculate how many days they've been active since signup. Show user_id, signup_date, and the day count as days_active.

Practice This Problem

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