对于云计算内的某个服务，还会为访问数据分配一个成本系数；很重要的一点是要理解数据访问的成本等式。
For a service in the cloud, a cost factor will be assigned for accessing the data; it is important to understand the cost equation for the data access.
有些进程可能需要运行在某个特定的Domino服务器上(例如，因为只有该服务器连接到关系数据库)。
Some processes may need to run on a particular Domino server (for example, because only that server has connectivity to the relational database).
SQLServer与SQLExpress是在平台(物理性硬件，例如工作站或者服务器)上运行的RDBMS(关系数据库管理系统)。
SQL server and SQL Express are RDBMS (relational database management systems) that run on platforms (physical hardware, such as workstations or servers).
可能受到这种程度影响的服务的一个示例就是对具有良好索引的关系数据库进行简单的查询，在这里服务实现做了最小的处理。
An example of such a service that could be impacted to this degree is a simple inquiry into a well-indexed relation database where the service implementation does minimal processing.
如果您希望联邦服务器将函数的计算下推到一个关系数据源，那么必须使用那个数据源的一个函数映射。
If you want the federated server to push down the evaluation of a function to a relational data source, you must use a function mapping for that data source.
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.
IDS是一种强大的关系数据库服务器，它提供了许多特性，可以帮助每个数据库用户(从应用程序用户到管理员)完成复杂的活动。
IDS is a versatile relational database server that is powered with a wealth of features. It helps every database user, from an application user to an administrator, with complex activities.
新的数据服务设计向导使用户可以用关系数据源构建并测试服务。
The new data services design wizard enables new users to build and test services with relational data sources.
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。
The federation server is a virtual database with all of the capabilities of a relational database.
如果数据源是关系数据库，那么就需要写一个复杂得多的服务了。
If the data source is a relational database, a more complex service will need to be written.
此场景的需求在于，所有发送和接收的服务请求都要记录到关系数据库，以用于审核和法律法规遵从性目的。
The requirement for this scenario is that all sent and received service requests are logged to a relational database for auditing and regulatory compliance purposes.
应用程序可以访问服务器中的关系数据，并在浏览器中以独特的声明式方法对结果进行协调。
Applications can access relational data from a server and match up the result in a browser in a unique and declarative approach.
例如，假如您的产品有一个客户身份验证模块，可以对来自关系数据库或LDAP服务器中的用户进行身份验证。
For instance, imagine that you have a custom authentication module for your product that is able to authenticate users from relational databases or LDAP servers.
除了管理联邦以外，联邦服务器还是一个功能完整的关系数据库，具有存储和管理本地数据的能力。
In addition to managing the federation, the federated server is also a full-function relational database with the capability to store and manage local data.
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。
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.
例如，用户代理可以使用质量系数告诉服务器其用户在某些语言上的流利程度。
For example, the user agent might use quality values to indicate to the server its user's fluency level in several languages.
与标准关系数据库相比，原生xml数据库在服务于主要是只读的复杂查询时能够提供更快的响应时间和开发时间。
When servicing queries that are complex and mostly read-only, compared to standard relational databases, native XML databases provide faster response times and faster development times.
我们使用访问XML文件服务和关系数据库的例子来进一步说明由SDO推动的编程模型的简单性。
We further illustrate the simplicity of the programming model promoted by SDOs with examples of access to an XML file service and to a relational database.
对于关系数据库管理系统，一个服务器通常代表一个远程数据库。
For a relational database management system, a server usually represents a remote database.
目前，关系数据库服务器为许多公司建立了信息主干。
Relational database servers build the information backbone for many companies today.
通常该数据的主版本存储在关系数据库的中央服务器上。
A master version of this data is normally maintained on a centralized server in a relational database.
DB 2对其涉及传统关系数据和xml列数据的常用服务进行了扩展，例如优化、索引、并行控制和实用工具。
DB2 extends its common services, such as optimization, indexing, concurrency control, and utilities, across the traditional relational and XML column data.
这是类似于其他关系数据库的标准客户机/服务器数据库配置，允许出现使用TCP套接字的并发连接。
This is the standard client/server database configuration similar to other relational databases, allowing concurrent connections using TCP sockets.
把关系数据给一个需要XML数据的服务或对象究竟有多难？
How difficult is it to get relational data to a service or object that needs XML data?
本月，我将介绍amazon关系数据库服务(RDS)，这是AmazonWeb服务家族的另一项优秀且多用途的新添成员。
This month, I'll get you started with Amazon Relational Database Service (RDS), another excellent and versatile addition to the Amazon Web Services family.
关系数据库服务——该WebService旨在简化云环境下关系数据库的搭建、操作和伸缩
The Relational Database Service - A web service that attempts to simplify set up, operation, and scaling of relational databases in the cloud
数据源可以是关系数据库、文件系统、Web服务，甚或一系列业务应用程序中包含的自定义数据源。
A data source could be a relational database, a file, a Web Service or even a custom data source included within a line of business application.
将使用新的抽象，如服务数据对象（ServiceData Object），隐藏与关系数据库这类数据源交互的复杂性。
New abstractions such as Service Data Objects will be used to hide the complexities of interacting with data source such as relational databases.
如果安装了LEI，可以使用一个复制活动来让服务器把关系数据库中的引用信息复制到Notes中。
If you have LEI installed, you can use a replication activity to have the server copy the reference information from the relational database into Notes.
所选的服务将具有较高的价值系数。
The chosen services should have a high value coefficient. The value coefficient of a potential service can be defined as
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