那么混淆角色和关联以及导航属性？ [英] So confuse with Role and Assocation and Navigation properties?

问题描述

亲爱的所有人，

我实际上正在研究EF申请我的一个项目;我从一开始简单的介绍样本开始，但是已经出现了基于关联和角色的混淆;

与标准的shema模型相比有什么，通过PK和国外的关联用于表格钥匙？

角色和导航怎么样？

即使在阅读了MSDN下的大部分内容后，我也完全失败了。

有没有人可以澄清我的关于所有这些在实施中是什么意思的大脑？
求助于求助的人士恭喜哔叽

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你的经验是建立在别人之上的

解决方案

我建议阅读以下链接：
http://msdn.microsoft.com/en-us/library/bb399198.aspx

Dear all,

I am actually study the EF to apply in one of my project; I sart as everybody from the getting started simple introduction sample but there already comes confusion based on association and Role;

What are those compare to standard shema model, does association is used to like tables through PK and foreign Key ?

What about roles and navigation ,

I am totaly lost even after reading the big part under MSDN .

Does anyone could clarify my brain on what all of this is in imple words?

thnaks for help
regards
serge 

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Your experience is build from the one of others

解决方案

Hi,
I suggest reading the following link:
http://msdn.microsoft.com/en-us/library/bb399198.aspx

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