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---
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id: 5e7b9f190b6c005b0e76f090
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2021-07-02 13:15:29 +00:00
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title: '關係型數據庫：多對多關係'
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challengeType: 11
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videoId: z-SBYcvEQOc
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2021-10-03 19:24:27 +00:00
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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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dashedName: relational-databases-many-to-many-relationships
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---
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# --description--
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2021-07-02 13:15:29 +00:00
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更多資料：
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\- [練習：電子郵件](https://www.youtube.com/watch?v=uQ3Qv1z_Vao)
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\- [練習：名冊](https://www.youtube.com/watch?v=qEkUEAz8j3o)
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\- [練習：曲目](https://www.youtube.com/watch?v=I-E7avcPeSE)
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\- [練習：推特好友](https://www.youtube.com/watch?v=RZRAoBFIH6A)
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\- [練習：推特爬蟲](https://www.youtube.com/watch?v=xBaJddvJL4A)
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# --question--
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## --text--
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哪個是多對多關係的示例？
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## --answers--
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老師與學生
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---
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客戶與訂單
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---
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書與內頁
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---
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城市與國家
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## --video-solution--
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1
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