IBM DB2 is a great choice for use as a persistence store.
IBM DB 2就是一个用做持久性存储的好选择。
A persistence command that loads a workflow instance based on state information of the instance in the persistence store.
一个持久性命令，该命令基于持久性存储中工作流实例的状态信息加载该实例。
Within the persistence context, the entity's association with the underlying persistence store is managed by the entity manager (EM).
在持久性上下文中，实体与基础持久性存储区的关联由实体管理器(entity manager, EM)管理。
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