我正在利用DIA v0.97.1,为我的数据库模型绘制与UML表的实体关系图。 然而,我试图而且未能找到一个交换点,使我能够就这些关系线增加心脏病(如1.n)。 是否在Dia有这样的特征? 或者,我必须安装一些电灯? 感谢。
关系的核心在于关系箱内。 两度点击它寻找其财产。 头三个财产是姓名、左上心和正确心脏: 因此,他们仍然被锁在关系箱而不是线上。 这实际上更有意义。
此外,确保你重新使用示范表格“er”,而不是“uml”,因为“uml”表格缺乏关系箱。 “er”只有5件,但真正满足了所有需要。
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