The data federation server receives a request to the integrated view.
数据联合服务器接收对集成视图的请求。
Impact of federation server workload (transaction volume) to sources.
联合服务器工作负载(事务量)对源系统的影响。
Consider whether you need to set up user mappings on the federation server.
考虑是否需要在联合服务器上设置用户映射。
The federation server USES the mapping information to address those questions.
联合服务器使用映射信息来解决这些问题。
Ensure that you have created and enabled a trusted context object on the federation server.
确保在联合服务器上创建并启用了可信上下文对象。
The federation server is a virtual database with all of the capabilities of a relational database.
联合服务器是一个虚拟数据库，具有关系数据库的所有功能。
In the SOA context, the consumer submits a request via a predefined request format to the federation server.
在soa上下文中，使用者通过预定义的请求格式向联合服务器提交请求。
The federation server only utilizes resources when it processes a request that it receives from the consumer.
联合服务器仅在处理从使用者接收到的请求时才会使用资源。
An application that is a consumer of the data federation server can interface with a single virtual data source.
作为数据联合服务器使用者的应用程序可以与单个虚拟数据源通过接口进行通信。
The security token issued by the tenant's federation server will be used by the SaaS provider for authorization.
SaaS提供者将使用这个由承租者的联合服务器所颁发的安全令牌进行授权。
The data federation server is responsible for receiving a query directed at an integrated view of diverse sources.
数据联合服务器负责接收定向到各种源的集成视图的查询。
What are the performance implications when executing a set of operations in the sources vs. the federation server?
在源中执行一系列操作与在联合服务器上执行这些操作的性能影响如何？
The data federation server can consume — in order to integrate — services provided by multiple information sources.
数据联合服务器可以使用(为了集成)多个信息源提供的服务。
The federation server must also provide query optimization capabilities in order to respond to the request most efficiently.
联合服务器还必须提供查询优化功能，以最高效地响应请求。
What operations are supported by the systems managing data sources and which have to be compensated by the federation server?
系统管理数据源支持哪些操作，哪些操作必须由联合服务器提供补偿机制？
The federation server transforms the request into the corresponding SQL queries, or view definitions, to support the service.
联合服务器将请求转换为对应的SQL查询或视图定义，以支持服务。
To minimize variability due to network transfers, the federation server and the remote server were located on the same physical system.
为了降低网络传输的影响，联邦服务器和远程服务器在同一个物理系统中。
Also, the amount of data that is received from the source systems and needs to go through the federation server impacts the resource utilization.
另外，从源系统接收到的数据量和需要通过联合服务器的数据量也影响资源使用率。
This impacts the resource utilization at the source systems negatively in that they need to respond to the sub-operations from the federation server.
这将对源系统的资源使用率造成负面影响，因为需要对来自联合服务器的子操作做出响应。
The availability of integrated data depends on the availability of the data federation server and the integrated source servers at the time of the request.
集成数据的可用性依赖于数据联合服务器和集成源服务器在请求时的可用性。
The federation server included in DB2 AESE simplifies database integration for customers moving from Oracle to DB2 or who are managing a mixed environment.
DB2AESE中包含的联邦服务器简化了从Oracle 迁移到 DB2 的客户或管理混合环境的客户的数据库集成。
According to the mapping definition, the federation server breaks down the federated query into multiple sub operations. Multiple factors influence this step.
根据映射定义，联合服务器将联合查询拆分为多个子操作。
This allows the data federation server to receive queries against the integrated view and to calculate the optimum number and types of sub operations to perform.
这就允许数据联合服务器接收对集成视图的查询和计算要执行的最优子操作数量和类型。
The ability to accommodate the changes within the federation server can reduce the probability of exposing these changes to the initiator or consumer of the service.
如果能够将更改限制在联合服务器中，就可以减少将这些更改向服务的发起方或使用者公开的可能性。
The result of mapping in design time are typically federated views, similar to relational database views, which then can be deployed or created on the federation server.
设计时的映射结果通常为联合视图，与关系数据库视图类似，可以随后在联合服务器上进行部署或创建。
When supporting write access to this integrated view, the federation server must synchronize the manipulation of data in the various sources into a logical unit of work.
支持对此集成视图的写访问时，联合服务器必须将各个源中的数据操作同步到逻辑工作单元中。
In both the traditional as well as the SOA context, the data federation server provides a solution to effectively join and process information from heterogeneous sources.
在传统上下文和soa上下文中，数据联合服务器提供了有效联接和处理来自异类源的信息的解决方案。
Understanding the capabilities of the data source enables the federation server to push down more functionality to that data source, which generally improves performance.
理解数据源的能力之后，联邦服务器就可以将更多的功能下推到那个数据源，这通常可以提高性能。
The ability to efficiently manage concurrent access is determined by the performance characteristic of the data federation server as well as the integrated source servers.
有效管理并发访问的能力由数据联合服务器和所集成的源服务器的性能特征决定。
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。
应用推荐