# From the users table, select user_id, username, and a computed column called email_upper that is the

Canonical URL: <https://datadriven.io/problems/from-the-users-table-select-userid-username-and-a-comput-0b8db5f9>

Domain: SQL · Difficulty: medium

## Problem

From the users table, select user_id, username, and a computed column called email_upper that is the email in uppercase. Order by user_id ascending.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/from-the-users-table-select-userid-username-and-a-comput-0b8db5f9)
- [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.