Return user_id, transaction_id, total_amount for each user's single largest transaction

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

Domain

SQL

Difficulty

medium

Problem

Return user_id, transaction_id, total_amount for each user's single largest transaction. Use a correlated subquery where total_amount equals the max for that user. Order by user_id, transaction_id.

Practice This Problem

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