Visio如何繪製E-R圖？

原創 code_Zbw 2020-07-03 23:32

①、首先創建一個空白繪圖【其他繪圖也可以】

②、在更多形狀中進行選擇 如下圖☟☟☟

在這裏插入圖片描述

可以看到 如下圖形： E-R圖三要素 ，實體 、關係、 屬性
在這裏插入圖片描述

補充 ：爲什麼選擇Chen’s數據庫表示法 ？【個人比較好奇】
  ER模型最早由Peter Chen（陳品山）於1976年提出，並且它在數據庫設計領域得到了廣泛的認同。 【所以…】

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