--- id: 5e7b9f190b6c005b0e76f090 title: '關係型數據庫:多對多關係' challengeType: 11 videoId: z-SBYcvEQOc bilibiliIds: aid: 291965127 bvid: BV1Af4y1L7BK cid: 377543409 dashedName: relational-databases-many-to-many-relationships --- # --description-- 更多資料: \- [練習:電子郵件](https://www.youtube.com/watch?v=uQ3Qv1z_Vao) \- [練習:名冊](https://www.youtube.com/watch?v=qEkUEAz8j3o) \- [練習:曲目](https://www.youtube.com/watch?v=I-E7avcPeSE) \- [練習:推特好友](https://www.youtube.com/watch?v=RZRAoBFIH6A) \- [練習:推特爬蟲](https://www.youtube.com/watch?v=xBaJddvJL4A) # --question-- ## --text-- 哪個是多對多關係的示例? ## --answers-- 老師與學生 --- 客戶與訂單 --- 書與內頁 --- 城市與國家 ## --video-solution-- 1