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问题描述
我创建了一个实体模型,并试图添加一个具有自定义属性的实体(从数据源中的表中提取).有谁知道一个好的教程,或者我该怎么做呢?
我遇到了诸如PK冲突之类的错误.
我所拥有的是从数据库中导入的TableA,TableB和TableC.
我想用TableA和TableB的属性创建TableD.
任何帮助将不胜感激.谢谢!
I created an Entity Model and am trying to add an entity with customized properties (pulled from tables within the data source). Does anyone know a good tutorial or how I can go about doing this?
I''m running into some errors like PK collisions.
What I have is TableA, TableB, and TableC imported from the database.
I want to create TableD with properties from TableA and TableB.
Any help would be greatly appreciated. Thank you!
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