The Slow Build

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

For each month in 2026, show the total revenue and a running average of all months up to and including the current one, rounded to the nearest whole number.

Summary

Month over month, the number grows. Track how the average moves with it.

Practice This Problem

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