This method is called by the common language runtime (CLR) data access services.
此方法由公共语言运行时 （CLR）数据访问服务调用。
Data access services provide or prevent access to data based on authorizations and restrictions (policies and rules for access).
数据访问服务基于授权和限制(策略和访问规则)来提供或阻止数据访问。
The data Access Service follows an API description such that third parties can write their own data Access Services to any data source.
数据访问服务遵循相应的API描述，因此第三方可以为任何数据源编写自己的数据访问服务。
As shown in the Figure 4, this mediator works with WebSphere Information Integrator to form a virtual data access services layer for SDO applications.
如图4中所示，该中介使用DB 2 Information Integrator为SDO应用程序构建了一个虚拟数据访问服务层。
Support SOA, promote code reuse, enhance programming productivity, and contribute to a more flexible software environment with the virtual data access services layer.
使用虚拟数据访问服务层支持SOA、促进代码重用、提高编程效率和促成更灵活的软件环境。
These services exist at a lower level of detail, and physically manipulate data for persistence, access, and delivery.
这些服务存在于不同的详细级别，并物理地操作数据以便保存、访问和传输。
These agents provide a remote endpoint with which the workbenches communicate to access the data collection services.
这些代理提供远程端点，工作台使用该端点通信以访问数据收集服务。
However, this centralization is risky for several reasons, not least of which is giving a third party total control over your access to services, and possibly your private data.
然而，由于种种原因这种集中非常危险，不仅是因为会使第三方完全控制您对服务的访问，并且可能控制您的私人数据。
In the first article we learned about how REST's URL naming schemes and content negotiation allow us to unify access to our documents, data and services.
在第一篇文章中，我们了解到REST的URL命名规范和内容协商如何让我们以统一的方式来访问文档、数据和服务。
The services that create, access and maintain these data groupings constitute the data manipulation layer of the described architecture.
创建、访问和维护这些数据分组的服务构成了所述体系结构的数据操作层。
Centralization of access to all of the enterprise data through specialized data services requires business services to use them for all of the data access.
通过专门的数据服务集中化所有企业数据的存取要求业务服务的所有数据存取也通过这些数据服务完成。
User identity must be propagated into services and used to authorize data access.
用户标识必须传播到服务中，并用于授权数据访问。
Existing host-based applications and enterprise data are accessible from the ESB through a set of access services.
现有的基于主机的应用程序和企业数据都可以通过一组访问服务从ESB访问。
Is there something to be learned about data access and portability from these services?
那么从这些服务中，我们能学习到关于数据访问和可移植性的哪些经验呢？
Business systems and partner systems would request MDM Services to access master data through capabilities provided in the connectivity and interoperability layer.
业务系统和伙伴系统通过连接和互操作层中提供的功能请求MDM服务，从而访问主数据。
EII can provide a unified view of data and content, simplifying representation of and access to underlying information services.
EII可以提供对数据和内容的统一观点，这样就简化了对潜在的信息服务的表现和访问。
If the number of consuming services increases then both data volumes and concurrent data access patterns may be significantly different from the initial situation.
如果使用服务的数量增加，则数据量和并发数据访问模式可能会与最初投入使用时的情况大为不同。
One of the approaches for overcoming drawbacks of the previous pattern is to treat enterprise data access as a first class business services.
克服上一个模式缺点的一种方法就是将企业数据存取当作第一级的业务服务。
A transaction implementation style that may use SOA techniques to access master data services as part of an application transaction.
事务实现风格，可以使用SOA技术在处理应用程序事务的过程中访问主数据服务。
Additionally, because data services need to support a wide range of enterprise data access options, required by business services, their flexibility has to be very high.
此外，因为数据服务需要支持一个范围广泛的企业数据存取选项(被业务服务所需求的)，它们必须具备高度的灵活性。
Furthermore, in operational mode, master data is leveraged by applications through services, where services provide control over master data creation, management, quality, and access.
另外，在操作性模式中，应用程序通过服务使用主数据，这些服务控制主数据的创建、管理、质量和访问。
Better partitioning of implementation by factoring out extremely stable data access code from services implementations.
通过将非常稳定的数据存取代码从服务实现中分解出来，获得更佳的实现划分。
The factory enables the creation of Grid data Services to access and update databases.
网格数据服务工厂使网格数据服务的创建能够存取和更新数据库。
The JDBC adapter looks at the tables in your database and determines what services it needs to access that data.
JDBC适配器将详细查看数据库中的表，并确定需要什么服务来访问该数据。
Sitting on top of the data storage, JCR offers content services like granular access control, versioning, content events, full-text search and filtering among others.
在数据存储之上，JCR提供诸如访问粒度控制、版本控制、内容事件、全文检索和过滤等内容服务。
Enterprise data services effectively create abstraction layer, shielding business functionality from the data access details.
企业数据服务有效地创建了一个抽象层，使业务功能避开数据存取细节。
Information services - Enable access to enterprise sources of data.
信息服务——允许访问企业数据源。
It enables you to simply and quickly create either REST-style or SOAP binding services over HTTP to access data.
它支持您简单快速地创建rest式服务或SOAP与HTTP绑定服务来访问数据。
One implementation used DB2 Information Integrator (DB2 II) to provide EII services and manage our data access work.
一种实现是使用DB2Information Integrator (DB2II)来提供EII服务和管理数据访问工作。
Cubing Services provide multidimensional access to your relational data.
CubingServices提供对关系数据的多维度访问。
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