联邦服务器需要在本地执行该操作。
The federated server needs to perform this operation locally.
联邦服务器在昵称注册时获取这种信息。
The federated server retrieves this information during nickname registration.
在Server页面上，选择一个联邦服务器。
首先需要将标量子查询的结果传送到联邦服务器。
The result of the scalar subquery first needs to be transferred to the federated server.
联邦服务器允许使用富s QL方言来提交查询。
The federated server allows the use of a rich SQL dialect to submit queries.
联邦服务器上的服务器属性存储每个数据源的特征。
Server attributes on the federated server store the characteristics of each data source.
在联邦服务器上，不会建立代表该昵称的物理索引。
No physical index is built at the federated server on behalf of this nickname.
知道这些约束有助于联邦服务器进一步简化用户查询。
Knowing such constraints can help the federated server to further simplify user queries.
应用程序通过一个受支持的编程接口与联邦服务器通信。
Applications communicate with the federated server through a supported programming interface.
联邦系统的核心包括一个作为联邦服务器DB 2实例。
The core of the federated system consists of a DB2 instance that operates as a federated server.
联邦服务器上的BOOKSTORE1表包括如下数据。
The BOOKSTORE1 table at the federated server contains the following data.
将足以填充一个AT Q缓冲区的数据返回到联邦服务器。
Return of data to the federated server sufficient to fill a single ATQ buffer.
表和视图之类的远程对象在联邦服务器上以昵称的形式注册。
Remote objects such as tables and views are registered on the federated server as nicknames.
在许多情况下，联邦服务器需要处理这些数据源实现的差异。
In many cases the federated server needs to compensate for the differences in the implementation of these data sources.
应用程序通过DB 2支持的任何编程接口与联邦服务器通信。
Applications communicate with the federated server through any programming interface supported by DB2.
而且，在联邦服务器上，您可以使用模式验证和xmlparse。
Also, at the federated server, you can use schema validation together with the xmlparse.
接下来，在联邦服务器，需要将序列化后的字符串转换回xml类型。
Next, at the federated server, you need to convert the serialized string back to the XML type.
考虑在联邦服务器上，而不是在远程数据源上执行的选择谓词的影响。
Consider the effect of a selective predicate being evaluated at the federated server instead of at the remote data source.
在这个查询中，客户信息来自联邦服务器上的customers表。
In this query, the customer information is taken from the CUSTOMERS table at the federated server.
通过小心地将联邦服务器日志放置在高性能磁盘上，可以最小化这种影响。
This impact can be minimized by careful placement of the federated server logs on high-performance disks.
连接到联邦服务器的调用应用程序无法区分联邦存储过程和本地存储过程。
A calling application connected to the federated server cannot distinguish the federated stored procedure from a local stored procedure.
查询的远程操作在将结果返回到联邦服务器之前，需要执行较长时间的处理。
The queries' remote operations perform time-consuming processing before beginning to return results to the federated server.
这个模式在一个由多个逻辑总线组成的联邦服务总线基础设施中划出了4个关注级别。
This pattern suggests four levels of interest in a federated service bus infrastructure consisting of multiple logical buses.
图4展示了一个在联邦服务器使用嵌套循环连接操作符来计算这个查询的计划。
Figure 4 shows a plan using the nested loop join operations at the federated server to evaluate this query.
ReplicationCenter必须能够连接源服务器和联邦服务器。
The Replication Center must be able to connect to the source server and the federated server.
联邦服务器将这种受限版本映射到Oracle中的 DECODE函数。
The federated server maps the limited version to the DECODE function in Oracle.
联邦服务器通过名为包装器（wrappers）的软件模块与数据源通信。
The federated server communicates with the data sources by means of software modules called wrappers.
该选项表明联邦服务器是否应该考虑下推对一个关系数据源的任何SQL操作。
This option indicates whether the federated server should consider pushing down any SQL operation for a relational source.
这个服务器属性告诉联邦服务器远程数据源和本地联邦服务器上的排序序列是否相同。
This server attribute tells the federated server whether the collating sequence is the same on both the remote data source and the local federated server.
我们考虑物化查询表(MQT)支持一个重要的选项来进一步优化联邦服务器的性能。
We consider materialized query table (MQT) support an important option to further fine tune the performance of your federated server.
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