另外，系统功能上分成三个层次结构，即表示层、业务逻辑层和数据源层。
In addition, the whole system is divided into 3-tier in functionality, representation level, business logic level and data level respectively.
JDBC 3.0让开发人员不再为此担心，因为数据源层现在负责为预备语句进行缓存。
JDBC 3.0 frees the developer from this concern because the data source layer is now responsible for caching prepared statements.
数据源层(Data Source Layer)提供了数据或原始资料(包括公司内部和外部的)，这些数据或原始资料将成为分析和知识的基础。
The data Source Layer provides the data or raw materials (both internal and external to the organization) that will be the foundation for analysis and knowledge.
写数据则需要打开一个输出数据源并在其内创建一个数据层。
Writing data requires opening an output data source and creating a data layer within it.
由于DAO在数据客户端和数据源之外多创建了一层对象,因而,需要对他进行设计和实现,来均衡这个设计模式的利弊.
The DAOs create an additional layer of objects between the data client and the data source that need to be designed and implemented to leverage the benefits of this pattern.
数据仲裁程序提供了不同数据源和客户应用程序所用的统一数据访问API之间的粘合层。
Data mediators provide the glue layer between disparate data sources and a unified data access API used by the client application.
统一层将使用现有的数据源能力进行创建。
The unifying layer will be built using existing data source capabilities.
我们将在后续文章中对其进行详细分析的首选数据源模式可应用于控制器层。
And the preferred data source pattern, which we will examine in greater detail in the next articles, can be applied in the controller layer.
一个RESTfulJSON控制器对于您的开发工作的作用并非仅仅是在视图和数据源之间放置一个额外的功能层。
A RESTful JSON controller does more for your development efforts than putting an extra layer of functionality between the view and the data source.
例如，在Cognos报告中，可以通过在FrameworkManager中描述一个元数据层，来访问大多数数据库和其他数据源，例如Web服务中的数据。
Data from most databases and other sources, like Web services, can be accessed, for example, in Cognos reports by describing a metadata layer in Framework Manager.
接下来，在WebSphereProcessServer中创建数据源，以连接到数据库层。
Next, you create a data source in the WebSphere Process Server to connect to the database layer.
任意的数据源(文件、Web服务、定制存储、应用逻辑层等)。
Any data source (file, web service, custom store, application logic layer, etc).
数据存储库层，或后端层包含了所有的人工模型组件和完整的模型结构，它们处理所有必要数据源中的集成业务数据。
The data repository tier, or back-end tier, comprises all of the model artifacts and the full structure of the models, which handle integrated business data from all required data sources.
另外，被发送到远程数据源的查询由执行层根据缓存内容和高级空抑制逻辑进行进一步优化。
In addition the queries which are sent to remote data sources are further optimized by the execution layer based on cache content and advanced null suppression logic.
集成层（Integration Layer）拥有用于从数据源到商业智能存储库移动和增强数据的技术和过程。
The Integration Layer owns the technology and processes for moving and enhancing the data from the data sources to Business Intelligence repositories.
数据源适配器层非常类似于CompatibleQueryMode 下的这个层，除了使用的接口不同之外。
The data source adapter layer is very similar to that of the Compatible Query Mode with the exception of interfaces used.
此原型分为四层，分别为应用层、数据操作层、数据包装层、数据源系统层。
The system has four layers, including application layer, data operation layer, data wrapping layer, and data source layer.
其接收数据经认证数据源及检验数据完整性，使有效数据送入数据分发层地址。
The received data was authenticated data integrality was verified, and so that valid data were sent into the address of distributing data layer.
该项目的设计思路明确为采用数据源—操作型数据存储—模型的三层体系结构；
The project's design ideas clear for data source - operational data store - model three-tier architecture;
该项目的设计思路明确为采用数据源—操作型数据存储—模型的三层体系结构；
The project's design ideas clear for data source - operational data store - model three-tier architecture;
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