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.
该表展示了每个组合的运行时间。
当两个替代具有匹配的术语表，可以组合产生交集策略的一个新替代。
When two alternatives have a matching Vocabulary they are combined to produce a single new alternative in the Intersected policy.
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