标签:的问答
JPA 实体综合指数收集
原文:JPA entity composite index collection
原文:JPA entity composite index collection
我在我的项目中使用JPA +hibernate。 我不得不从已经存在的数据库中检索数据,不能对其作出修改。
JPA 2 - 仅包括一个综合主要关键领域的外在钥匙?
原文:JPA 2 - Foreign key that only includes one field from a composite primary key?
原文:JPA 2 - Foreign key that only includes one field from a composite primary key?
I m having trouble getting a composite primary key and foreign keys working in JPA 2/Hibernate. I m trying to create a simple scenario with countries and provinces: Country Entity: @Entity @Table(name ...
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