一对多关联(one-to-many) 设在一个数据库中有A、B两个表,对于表A中的任何 一条记录,表B中可能有多条记录与之对应;反过来, 对于表B中的任何一条记录,...
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一对多关联(One To Many Associations) 延迟初始化(延迟加载)(Lazy Initialization) .
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...用Act、Role及Entity描述了整个医療行 为,将多对多关联(many-to-many relationship) 转成 一对多关联(one-to-many relationship),则衍生出参 与(Participation)。
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一对多关联性 one-to-many relationship ; one-to-one relationship ; een-op-veel-relatie
建立一对多关联 SET SKIP TO
对于一个一对多的关联 one-to-many association
多对一关联性 many-to-one relationship ; relacja wiele-do-jednego
多对一关联 many to one relationship
这一关联还处理一对一和一对多关联。
One-to-one and one-to-many associations are handled by this relation as well.
一个一对多关联被映射到“ many ”表的一个外键。
A one-to-many association is specifically mapped to a foreign key in the "many" table.
在一对多关联的情况下,你的转换在所有“ many ”表中建立了一个外键。
In the case of one-to-many relations, your transformation creates a foreign key in every "many" table.
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