父实体(Parent Entity)与 子实体 ( Child Entity )之间以虚线相连,在虚线连接 子实体 处有一个实心圆点 预设的基数为 1:N (一对多),父实体在 1 的那一端...
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You can make similar arguments for bidirectional one-to-many and many-to-one when you navigate from the one side (the children entities) to the many side (the parent entity).
one-to-many和many-to-one的双向关联也是类似的, 当你从多端(子实体)定位到一端(父实体)。
This containment relationship between the new entity and its parent, as specified in the POST request, is analogous to the way a file is subordinate to its parent directory.
POST请求中指定的这种新实体与其父实体之间的包含关系类似于某个文件从属于其父目录的方式。
A lazy association can be traversed (and the associated entity retrieved) long after its parent object was initially loaded.
惰性的关联可能在最初装载它的父对象之后很长时间才被访问(并获取相关联的实体)。
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