As shown in the table node descriptor, there are 10 partitions in the table space, and the limit key for the ninth partition is 625,000.
正如在表节点描述符上所显示的，在表空间上有10个分区，且用于九个分区的极限键是625,000个。
The descriptor can also provide the same metadata information about the entities as annotations, such as primary key field, and any mappings between objects.
描述符也可以提供与注释相同的有关实体的元数据信息，如主键字段，以及对象之间的任何映射。
The key point here is that WebSphere requires additional metadata beyond the EJB deployment descriptor to perform these mappings.
这里关键的一点是WebSphere需要EJB部署描述符之外的额外元数据来执行这些映射。
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