... many and many » 一对多和多对多 keep out of » 远离 the boy was walking down the stree when the UFO landed » 这个男孩走应力在不明飞行物着陆时 ...
基于1个网页-相关网页
这些包括一对一和一对多构成关联，以及多对一和多对多的聚合关联。
These include one-to-one and one-to-many composition associations and many-to-one and many-to-many aggregation associations.
JPA支持一对一、一对多、多对一和多对多关系。
JPA supports one-to-one, one-to-many, many-to-one, and many-to-many relationships.
如果您有多种彼此相关的记录，您也可以定义一对多、多对一、和多对多的关系。
If you have multiple types of records that are related to each other, you can define one-to-many, one-to-one, and many-to-many relationships as well.
应用推荐