2020-04-06 14:49:56 -04:00
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---
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id: 5e7b9f190b6c005b0e76f090
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2020-04-21 23:37:02 -05:00
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title: 'Relational Databases: Many-to-many Relationships'
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2020-04-06 14:49:56 -04:00
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challengeType: 11
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isRequired: true
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videoId: z-SBYcvEQOc
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---
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## Description
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<section id='description'>
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More resources:
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- <a href="https://www.youtube.com/watch?v=uQ3Qv1z_Vao" target='_blank'>Exercise: Email</a>
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- <a href="https://www.youtube.com/watch?v=qEkUEAz8j3o" target='_blank'>Exercise: Roster</a>
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- <a href="https://www.youtube.com/watch?v=I-E7avcPeSE" target='_blank'>Exercise: Tracks</a>
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- <a href="https://www.youtube.com/watch?v=RZRAoBFIH6A" target='_blank'>Exercise: Twfriends</a>
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- <a href="https://www.youtube.com/watch?v=xBaJddvJL4A" target='_blank'>Exercise: Twspider</a>
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</section>
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## Tests
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<section id='tests'>
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```yml
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question:
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text: 'Which is an example of a many-to-many relationship?'
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answers:
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- 'teacher to student'
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- 'customer to order'
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- 'book to pages'
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- 'city to country'
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solution: 1
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```
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</section>
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