# Show each product's product_id and a display name

Canonical URL: <https://datadriven.io/problems/show-each-products-productid-and-a-display-name-use-coale-ae0dfe90>

Domain: SQL · Difficulty: medium

## Problem

Show each product's product_id and a display name. Use COALESCE and NULLIF so that empty or missing names appear as 'Unnamed Product'.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/show-each-products-productid-and-a-display-name-use-coale-ae0dfe90)
- [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)

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