# SQL glossary: Master level

1 SQL term at the Master level, with a short definition and a link to its full page.

Updated: September 27, 2026

[Study these as flash cards](https://www.ask-codey.com/decks/sql/master)

- [Natural Join](https://www.ask-codey.com/glossary/natural-join): A join matching equally named columns automatically and returning one copy of each matched column.

- Previous level: [Freelancer](https://www.ask-codey.com/glossary/subjects/sql/freelancer)

[Every SQL term, by level](https://www.ask-codey.com/glossary/subjects/sql)

Source: https://www.ask-codey.com/glossary/subjects/sql/master