# Use a RIGHT JOIN to show all transactions alongside the username of the buyer

Canonical URL: <https://datadriven.io/problems/use-a-right-join-to-show-all-transactions-alongside-the-user-3f7ebc56>

Domain: SQL · Difficulty: medium

## Problem

Use a RIGHT JOIN to show all transactions alongside the username of the buyer. Include transactions whose user_id does not match any user (orphaned records). Return username and transaction_id.

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