绘制ER图的工具(尝试过visio、smartdraw,但没有用)
我想画如下所示的东西。 http://upload.wikimedia.org/wikipedia/commons/7/72 /ER_Diagram_MMORPG.png
我有 Visio、SmartDraw、MySQL Workbench 等。它们都缺少双线、弱实体、识别关系等形状(双线菱形框)等。
我没有找到一个工具具有所有这些功能。请推荐一款。
I'd like to draw something like below.
http://upload.wikimedia.org/wikipedia/commons/7/72/ER_Diagram_MMORPG.png
I've Visio, SmartDraw, MySQL workbench, etc. All of them were missing shapes like double lines, weak entity, identifying relationship (double line diamond box), etc.
I don't find a single tool which has all of them. Please suggest one.
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您可能不会相信,但我经常使用普通的 Excel 来制作图表。 这里有很好的教程。它也可以在没有他们建议的插件的情况下工作。
You won't believe it, but I often use plain Excel for diagrams. Nice tutorial here. It works also without their proposed add-in.
我知道可能性不大,但是 StarUML。这就是我在大学第一年制作的 ER 图……它是免费的,但你需要尝试一下才能找到你想要的东西。
I know its a long shot but StarUML. Thats what i did my ER diagrams in in the first year of uni... its free but you need to play about to find what your looking for.
Visio 里面什么都有,你只需要检查各种就可以了。根据这些双线,您可以插入两个相同的形状,减小尺寸或重叠它们,然后将它们分组以通过复制粘贴再次使用。
Visio has everything in it, you just need to check under all kinds. As per those double lines, you could just insert two of the same shapes, decrease size or overlap them and group them to use again by copy pasting.