freeCodeCamp/curriculum/challenges/english/07-scientific-computing-with-python/python-for-everybody/relational-databases-join-operation.md

---
id: 5e7b9f180b6c005b0e76f08f
title: 'Relational Databases: Join Operation'
challengeType: 11
videoId: jvDw3D9GKac
---

## Description
<section id='description'>

</section>

## Tests
<section id='tests'>

```yml
question:
  text: |
    When using a JOIN clause in an SQL statement, what does ON do?

  answers:
    - |
        It indicates what tables to perform the JOIN on.
    - |
        It specifies the fields to use for the JOIN.
    - |
        It indicates how the two tables are to be joined.
  solution: 3
```

</section>