由于联邦系统包括一个DB 2数据库，所以还可以将本地数据存储在这个数据库中，也可以存储来自本地表和远程表的组合信息。
Because a federated system includes a DB2 database, you can also store local data in it, as well as combine information from both local and remote tables.
这包括对有序表、访问类型组合、多级别嵌入对象以及嵌入对象集合的支持。
This includes support for ordered lists, combinations of access types, multiple levels of embedded objects, and collections of embedded objects.
如果不可能设置复制，那么仍然可以使用昵称作为源来填充相关联的空间表，并在组合视图中联结这两者。
If replication is not possible, you can still populate an associated spatial table using the nickname as the source, and join the two in a combined view.
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