2020-08-13 12:00:20 +02:00
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---
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id: 5e7b9f190b6c005b0e76f090
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2021-07-02 18:45:29 +05:30
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title: '关系型数据库：多对多关系'
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2020-08-13 12:00:20 +02:00
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challengeType: 11
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videoId: z-SBYcvEQOc
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2021-10-03 12:24:27 -07:00
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bilibiliIds:
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aid: 291965127
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bvid: BV1Af4y1L7BK
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cid: 377543409
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2021-01-13 03:31:00 +01:00
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dashedName: relational-databases-many-to-many-relationships
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2020-08-13 12:00:20 +02:00
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---
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2020-12-16 00:37:30 -07:00
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# --description--
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2021-07-02 18:45:29 +05:30
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更多资料：
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2020-12-16 00:37:30 -07:00
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2021-07-02 18:45:29 +05:30
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\- [练习：电子邮件](https://www.youtube.com/watch?v=uQ3Qv1z_Vao)
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2020-12-16 00:37:30 -07:00
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2021-07-02 18:45:29 +05:30
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\- [练习：名册](https://www.youtube.com/watch?v=qEkUEAz8j3o)
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2020-12-16 00:37:30 -07:00
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2021-07-02 18:45:29 +05:30
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\- [练习：曲目](https://www.youtube.com/watch?v=I-E7avcPeSE)
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2020-12-16 00:37:30 -07:00
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2021-07-02 18:45:29 +05:30
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\- [练习：推特好友](https://www.youtube.com/watch?v=RZRAoBFIH6A)
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2020-12-16 00:37:30 -07:00
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2021-07-02 18:45:29 +05:30
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\- [练习：推特爬虫](https://www.youtube.com/watch?v=xBaJddvJL4A)
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2020-12-16 00:37:30 -07:00
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# --question--
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## --text--
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2021-07-02 18:45:29 +05:30
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哪个是多对多关系的示例？
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## --answers--
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2021-07-02 18:45:29 +05:30
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老师与学生
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2020-12-16 00:37:30 -07:00
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---
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2021-07-02 18:45:29 +05:30
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客户与订单
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2020-12-16 00:37:30 -07:00
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---
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2021-07-02 18:45:29 +05:30
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书与内页
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2020-12-16 00:37:30 -07:00
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---
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2021-07-02 18:45:29 +05:30
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城市与国家
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2020-12-16 00:37:30 -07:00
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## --video-solution--
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1
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