You can also create a primary key class for entities that have composite keys.

还可以为具有组合键的实体创建一个主键类。

youdao

Version 2.0 of the EJB specification defines a primary key class as any class that is a legal value type in RMI-IIOP.

EJB规范的 2.0版将主键类定义成任何是 RMI-IIOP中合法值类型的类。

youdao

Version 2.0 of the EJB specification defines a primary key class as any class that is a legal value type in RMI-IIOP.

EJB规范的 2.0版将主键类定义成任何是 RMI-IIOP中合法值类型的类。

youdao