# Unreviewed Models

> Models that have never been evaluated.

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

Domain: SQL · Difficulty: easy · Seniority: L3

## Problem

Return ml_models rows whose mdl_name never appears as tbl_name in dq_checks. Output the mdl_name, version, framework, and status for each such model, sorted by train_at descending.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/unreviewed_models)
- [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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