However, no matter how many users are accessing your server, there are some edition-dependent minimums that you need to account for.
然而，不论有多少用户正在访问您的服务器，都会存在一些需要您考虑的取决于版本的最低要求。
You need an AU license for anyone accessing the database; however, no matter how many users are accessing your DB2 Express server, you need to minimally buy 5 AU licenses.
任何访问数据库的人都必须有一个AU许可；不过，不管有多少用户访问您的DB2Express服务器，您至少要购买5 个 AU许可。
Complexity of the federated query: how many sub-operations such as filtering, joining, sorting, and so on, does the federation server need to execute to perform the query.
联合查询的复杂性：为了执行查询，联合服务器需要执行多少筛选、联接、排序之类的子操作。
Complexity of the federated query: how many sub-operations such as filtering, joining, sorting, and so on, does the federation server need to execute to perform the query.
联合查询的复杂性：为了执行查询，联合服务器需要执行多少筛选、联接、排序之类的子操作。
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