It also provides an abstraction on top of data storage and retrieval.
它也提供一个抽象的顶端数据存储和检索。
SDO components provide a common abstraction for data flow between components regardless of scope.
SDO组件提供了组件间数据流的公共抽象，而与范围无关。
Like UML models that are abstractions of the application architecture, data models represent the abstraction of the information model.
就像uml模型是应用程序架构的抽象一样，数据模型表示信息模型的抽象。
Because of the higher level of abstraction it provides, SQL, unlike procedural languages, lets programmers focus on what data they need, not how to retrieve it.
由于SQL与过程化语言不同，它提供了更高的抽象级别，因此它可以让程序员把精力集中到他们需要什么样的数据，而不是如何检索数据。
Generally, though, it's best not to mix and match XML responses and plain-text responses in the same application; sticking to a single data format makes code abstraction and reuse simpler.
但是，一般来说，最好不要在同一个应用程序中把XML响应和纯文本响应混合使用；保持单一数据格式可以让代码抽象和重用更加简单。
It has to, in effect, introduce a layer of abstraction, allowing for changes in a data layer with no or minimal impact to service implementations.
实际上，它需要引入一个抽象层，以允许数据层的更改而不影响服务实现或将这种影响降到最低。
SDO represents data at this level of abstraction.
SDO表示在此抽象级别的数据。
Depending on the complexity of the project, a canonical data model may be specified at two different levels of abstraction and granularity.
取决于项目的复杂性，可以在两个不同层次的抽象和粒度上指定规范化数据模型。
This module-level scoping provides a degree of abstraction (data hiding) that lets you restrict visibility of the database to a specific module.
此模块级范围提供了一个抽象级别(数据隐藏)，允许您限制数据库对特定模块的可见性。
Applying table abstraction to the underlying data file makes it easier to seamlessly apply SQL operations.
对底层数据文件应用表抽象使无缝应用SQL操作变得更加轻松。
As a DMS always returns the information in the same format (a data Graph), it hides the actual data storage and provides a level of abstraction between the SDO application and the EIS.
DMS总是以同一种格式(数据图)返回信息，它隐藏了实际的数据存储信息，在SDO应用程序和EIS之间提供了一层数据提取的功能。
The tedium of JDBC development led to the creation of the object relational mapping (ORM) framework, which provides a data access abstraction layer.
冗长乏味的JDBC开发导致对象关系映射(ORM)框架的诞生，该框架提供一个数据访问抽象层。
This allows analysis and traceability of the relationship between data patterns, both across lines of business and at varying levels of abstraction.
这使得跨业务线和在不同级别抽象上的数据模式之间的关系可被分析和跟踪。
The data model is a well organized abstraction of that data, so it is quite natural that the data model has become the best method to understand and manage the business of an organization.
数据模型是对那些数据的组织良好的抽象，因此数据模型成为理解和管理企业业务的最佳方法是极其自然的。
In the application shown in Figure 2, the GUI relies on an abstraction — a data access object or DAO.
在图2所示的应用程序中，GUI依赖于一个抽象——一个数据访问对象或DAO。
Unlike some of the other data integration models, SDO doesn't stop at data abstraction.
与其他某些数据集成模型不同的是，SDO没有停留在数据抽象上。
RDA provides extensive data modeling capabilities that allow data models to be defined at different levels of abstraction.
RDA提供大量的数据建模功能，以便在不同级别的抽象上定义数据模型。
A conceptual data model is a canonical data model viewed at the highest level of abstraction.
概念数据模型是从最高层抽象看到的规范化数据模型。
This allows modeling of data at different levels of abstraction while maintaining consistency and traceability between these models.
这样便可以在不同级别的抽象上进行数据建模，同时又维护这些模型之间的一致性和可跟踪性。
Singly linked lists are a powerful abstraction that allow you to represent numerous types of data.
单链表是让您可以描述多种类型数据的一种有效抽象。
OOP can be as simple as data abstraction, or as complex as a company-wide methodology.
OOP可以象数据抽象那样简单，也可以象公司范围的方法学那样复杂。
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。
The information defining a deployed hub domain model and the abstraction between the actual storage location is primarily defined in tables belonging to the Data Dictionary section.
定义一个已部署的hu b域模型及其与实际的存储位置间的抽象的信息主要在属于数据字典部分的表内定义。
The MetaModel Database is an abstraction only and does not actually hold any data: It is simply a model.
MetaModel数据库仅仅是一种抽象，并没有实际保存任何数据：它只是一个模型。
The virtio API relies on a simple buffer abstraction to encapsulate the command and data needs of the guest.
virtioAPI依赖一个简单的缓冲抽象来封装来宾操作系统需要的命令和数据。
SimpleResolutionService provides a further abstraction for the common use case in which the Metadata Service and data Service are hosted together with the Authority Service.
SimpleResolutionService为通用的用例提供了进一步的抽象，在这类用例中，元数据服务和数据服务与中心服务共存。
The XForms standard adds a powerful new abstraction between a form's data model and its presentation, as well as providing the ability to use a single form with several different submission actions.
X Forms在表单数据模型及其表示之间增加了一层新的、功能强大的抽象，并提供了在多个不同提交动作之间使用一个表单的能力。
PDO is not an abstraction layer like PearDB. PDO is a more like a data access layer which USES a unified API (Application Programming Interface).
PDO并不是类似于PearDB的数据库抽象层，而更像一种采用了统一api(应用编程接口)的数据访问层。
Semantic technologies provide an abstraction layer above existing IT technologies, one that enables the bridging and interconnection of data, content, and processes across business and IT silos.
Semantic技术在现有的IT技术之上提供了一层抽象，它跨越业务和IT仓库在数据、内容和过程之间架设了一座桥梁，使其可以相互连接在一起。
Semantic technologies provide an abstraction layer above existing IT technologies, one that enables the bridging and interconnection of data, content, and processes across business and IT silos.
Semantic技术在现有的IT技术之上提供了一层抽象，它跨越业务和IT仓库在数据、内容和过程之间架设了一座桥梁，使其可以相互连接在一起。
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