Reducing code duplication in the data access tier.
减少数据访问层中的代码重复。
The methods in Listing 4 form the core of the data access tier.
清单4中的方法构成了数据访问层的核心。
The data access tier is designed as a set of coarse-grained DAOs.
数据访问层被设计为一系列粗粒度的DAO。
When a domain object leaves the data access tier, it gets detached from the entity manager.
当域对象离开数据访问层时，它与实体管理器脱离。
The generic DAO pattern (also called Typesafe DAO) is critical to reducing code duplication in the data access tier.
泛型dao模式(也称为类型安全的DAO)对于减少数据访问层中的代码重复非常重要。
The data access tier is a set of coarse-grained data access Objects (DAOs) (see Resources) implemented as stateless session beans.
数据访问层是一系列作为无状态会话bean实现的粗粒度Data AccessObjects (DAO)(参见参考资料)。
The middle layer coordinates with the stored procedures within the data access tier to present the clients (customers) with the required results.
中间层配合数据存取层中存储的步骤将所需结果显示给用户端(顾客)。
Data Server tier, part of data Grid, buffers database access by caching objects in-memory for higher performance.
数据服务器层是数据网格的组成部分，通过在内存中缓存对象来缓冲数据库访问，以实现更高的性能。
The two-tier approach isolates data store and data access management.
两层的方法将数据存储和数据访问管理相分离。
The 2-tier Web architecture addressed these requirements by giving Web servers direct access to other data resources (such as a database) that provide dynamic content.
通过允许Web服务器直接访问包含动态内容的其他数据资源(比如数据库)，2层Web架构可以满足这些需求。
Spring 2.5 adds two new annotations - @Service and @Controller - to complete the role designations for a common three-tier architecture (data access objects, services, and web controllers).
在此基础上，Spring2.5又加入了两个新的注解 —— @Service和@Controller来完成为通常的三层架构（数据访问对象、服务、web控制器）角色委任。
This is the middle tier and ACTS between the GUI and the Data access layer.
这是中间层之间的界面和数据访问层的行为。
Integration of rural credit cooperatives' credit management system, the generic data access interface and security control implementation of the three-tier framework are analysed and researched.
结合农村信用社信贷管理系统，对三层构架中的通用数据访问接口和安全控制实现进行了分析研究。
Additionally, the presentation layer might communicate with the data access logic in the middle tier through a service such as a service.
此外，展示层可以透过服务(例如，服务)与中介层内的资料存取逻辑进行通讯。
The system adopts a 4-tier architecture, including representation layer, business facade layer, business rules layer, and data access layer.
系统采用了表示层、业务外观层、业务规则层、数据层的四层体系结构。
The system adopts a 4-tier architecture, including representation layer, business facade layer, business rules layer, and data access layer.
系统采用了表示层、业务外观层、业务规则层、数据层的四层体系结构。
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