[討論] ER-diagram一題

作者: fmtshk (fmtshk)   2021-05-11 05:53:48
題目如下
https://i.imgur.com/DJFGzJp.png
https://i.imgur.com/cV0ylUM.png
https://i.imgur.com/rkSio9f.png
https://i.imgur.com/Ip2mZbQ.png
我畫的如下圖
https://i.imgur.com/83O6Rhu.png
求高手指點一下哪裡畫得不好,謝謝

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