如何使一个编辑的一对一关系形式？
用户与订阅模型之间需要包括一个一对一关系。
A one-to-one relationship needs to be included between the user and subscription models.
一对一关系的主键方由键符号表示。
The primary key side of a one-to-one relationship is denoted by a key symbol.
一对一关系和一对多关系使用一个外键来实现。
One-to-one relationships and one-to-many relationships are implemented using a foreign key.
这里所做的是在这两个类的对象之间定义简单的一对一关系。
What you’ve done here is to define a simple one-to-one relationship between objects of the two classes.
另一映射类型是，表可能有一对一关系，但对象模型只有一个对象。
Another type of mapping is when a table might have a one-to-one relationship but your object model only has one object.
当两个相关列都是主键或都具有唯一约束时，将创建一对一关系。
A one-to-one relationship is created if both of the related columns are primary keys or have unique constraints.
在一对一关系中，如果改变了关系的一端，容器会自动替换旧的关系。
In one-to-one relationships, the container automatically replaces the old relationship if you change one side of that relationship.
在一对一关系中，表a中的一行最多只能与表b中的一行相匹配，反之亦然。
In a one-to-one relationship, a row in table a can have no more than one matching row in table b, and vice versa.
贱卖：是。真的很让人困扰。我脑袋里的那个开关让我忘了我有多么享受一对一关系带来的好处。
SS: Yeah. It just gets frustrating. That switch in my brain fails to remember how much I enjoy the benefits of that - that monogamous relationship.
NETmvc中，控制器会定义通常与可能的使用者互动拥有一对一关系的动作方法，例如按一下连结或送出表单。
NET MVC, controllers define action methods that usually have a one-to-one relationship with possible user interactions, such as clicking a link or submitting a form.
一对一关联就是它的每个复合度的最大值都是1的这么一种关系。
A one-to-one association is one in which the maximums of each of its multiplicities are one.
一对一关联就是它的每个复合度的最大值都是1的这么一种关系。
A one-to-one association is one in which the maximums of each of its multiplicities are one.
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