Dojo's data abstraction layer, dojo.data, provides a standard API for dojo applications to access a variety of back-end services.
dojo的数据抽象层dojo . data，为dojo提供一个标准API来访问各种后端服务。
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。
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。
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。
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。
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。
The Hibernate framework is a data access abstraction layer that is called by your application for data persistence.
Hibernate框架是应用程序调用来实现数据持久性的数据访问抽象层。
You can use Business Objects, extensions of Service Data Objects (SDO), to provide an abstraction layer for data access.
可以使用业务对象（服务数据对象 (SDO)的扩展）为数据访问提供抽象层。
PDO provides a data-access abstraction layer, which means that, regardless of which database you're using, you use the same functions to issue queries and fetch data.
PDO提供了一个数据访问抽象层，这就意味着，不管你使用的是哪种数据库，你都可以用同样的函数去进行查询的获取数据。
PDO provides a data-access abstraction layer, which means that, regardless of which database you're using, you use the same functions to issue queries and fetch data.
PDO提供了一个数据访问抽象层，这就意味着，不管你使用的是哪种数据库，你都可以用同样的函数去进行查询的获取数据。
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