A lookup relationship defines a manually populated mapping between business object property values.
查询关系定义业务对象属性值之间的手动填充映射。
Another type of mapping is when a table might have a one-to-one relationship but your object model only has one object.
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。
The element tells Castor that the 's object mapping contains an SQL column called prod_id and that this column should be used to identify the one-to-many relationship.
元素告诉 Castor: 的对象映射含有一个称为 prod_id的 SQL 列,该列将被用于标识一对多关系。
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