在具有现有一对多关系的表之间创建一对一关系 [英]Creating a one-to-one relationship between tables with an existing one-to-many relationship
实体框架6.1代码优先级联使用TPH删除派生类型的一对一关系 [英]Entity Framework 6.1 Code First Cascading Delete with TPH for one-to-one relationship on a derived type