---
id: 5e7b9f190b6c005b0e76f090
title: 'Relational Databases: Many-to-many Relationships'
challengeType: 11
videoId: z-SBYcvEQOc
dashedName: relational-databases-many-to-many-relationships
---

# --description--

More resources:

\- [Exercise: Email](https://www.youtube.com/watch?v=uQ3Qv1z_Vao)

\- [Exercise: Roster](https://www.youtube.com/watch?v=qEkUEAz8j3o)

\- [Exercise: Tracks](https://www.youtube.com/watch?v=I-E7avcPeSE)

\- [Exercise: Twfriends](https://www.youtube.com/watch?v=RZRAoBFIH6A)

\- [Exercise: Twspider](https://www.youtube.com/watch?v=xBaJddvJL4A)

# --question--

## --text--

Which is an example of a many-to-many relationship?

## --answers--

teacher to student

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customer to order

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book to pages

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city to country

## --video-solution--

1