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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

Growth wants to quantify how much revenue the 2026 signup cohort has generated. Sum all transaction spending for users who signed up during calendar year 2026 and return a single total.

Summary

What's this year's signup cohort worth so far?

Practice This Problem

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