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

Domain

SQL

Difficulty

easy

Problem

The product team is designing a bulk-checkout experience and wants to identify the most active buyers. For each user, show their username and how many transactions they have completed. Only surface users with more than two purchases, listed from most active to least.

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.