freeCodeCamp/curriculum/challenges/chinese/07-scientific-computing-wit.../python-for-everybody/relational-databases-join-o...

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---
id: 5e7b9f180b6c005b0e76f08f
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>