# Full Customer Order List

> Every customer. Every order. The full picture.

Canonical URL: <https://datadriven.io/problems/full_customer_order_list>

Domain: SQL · Difficulty: easy · Seniority: L3

## Problem

Return first_name, last_name, and country for every customer in customers. Sort alphabetically by first_name, then last_name.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/full_customer_order_list)
- [SQL Interview Questions](https://datadriven.io/sql-interview-questions)
- [Data Engineering Interview Prep Guide](https://datadriven.io/data-engineer-interview-prep)
- [Daily Challenge](https://datadriven.io/daily)

---

Source: DataDriven (https://datadriven.io). 100% free data engineering interview prep. Live code execution against Postgres 16, Python 3.11, and Spark sandboxes. No paywall, no premium tier, no signup gate.