您需要使用数据层应用程序组件来定义和部署数据库。
You want to define and deploy your database by using Data-tier Application Components.
对于基本的应用程序，数据层非常简单。
首先看看这个应用程序，特别是它的数据访问层。
Begin by taking a look at this application, specifically its data access layer.
如果使用数据访问层，代码将整合到其中，对于使用的应用程序是不可见的。
If a data access layer is used, the code might be consolidated there and hidden from the using application.
使用处理层的集成，企业可以在应用程序之间交换数据来完成业务处理。
With process-level integration, enterprises can exchange data across applications to fulfill a business process.
同样，如果使用数据访问层，代码将整合到其中，对于使用的应用程序是不可见的。
Again, if a data access layer is used, the code can be consolidated there and hidden from the using application.
访问服务层还允许访问电子商务应用程序、服务和数据。
It also allows access to e-business applications, service and data.
堆栈的应用程序层用于解析和解释数据本身。
The application layer of the stack is concerned with parsing and interpreting the data itself.
在一个由多个服务器处理数据的n层应用程序中，聚合非常重要。
Cohesion is especially important in n-tier applications where more than one server processes data.
新的XML存储和查询环境如何操作应用程序层的XML数据模型？
How the new XML storage and query environment plays into the XML data model of the application tier?
IBMWebSphereDataPowerXC10Appliance是一种快速、简便和经济高效的方法，用于添加一个弹性数据缓存层来增强您的应用程序基础结构。
The WebSphere DataPower XC10 Appliance is a quick, easy, and cost-effective way to add an elastic data caching tier to enhance your application infrastructure.
此模式鼓励您分层（表示层、域层、数据访问层）处理应用程序。
This pattern encourages you to treat an application in layers -- presentation, domain, data access.
在应用程序架构的每个层中都利用XML来创建应用程序的主要优点是无需将数据从一种格式转换为另一种格式。
One of the major advantages of creating an application utilizing XML in all levels of the application architecture is to avoid the need to transform data from one format to another.
这里的模型可以看作数据访问层，应用程序在这里与其他数据库和信息源交互。
The Model can be seen as the data-access layer, where the application interacts with any databases and information sources.
以这种方式编写我们的查询可以最小化数据库和应用程序服务器层之间传输的数据总量。
Writing our query in this manner minimizes the amount of data transferred between the database and application server tiers.
此框架使用的是 MVC设计模式，其最主要的目的是分离一个软件应用程序的数据层和表示层。
The framework uses the MVC design pattern, the primary goal of which is to separate the data and presentation layers of a software application.
底层的数据层说明了如何在应用程序的完全控制下，在单独的数据库实例中保存业务数据。
The underlying Data layer illustrates how the business data is kept in a separate database instance under full control of the application.
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。
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.
当我开发软件时，首先要做的就是充实应用程序的数据层：如果一个有用的应用程序不依靠数据，未免太不正常。
When I develop software, I try to flesh out the data layer of an application before doing anything else: it is unusual for a useful application not to depend on some sort of data.
当关键数据被其他软件控制的时候，开发人员可以添加额外的应用程序层和数据级安全。
Developers can add an extra layer of application and data-level security when critical data is controlled by their software.
数据缓存层的目的是为您的应用程序服务器层提供一个可伸缩、容错和一致的数据网格。
The purpose of the data caching tier is to provide scalable, fault tolerant, coherent data grids for your application server tier.
让数据集跨越不同的服务器需要在应用程序层做大量工作，比如跨两个数据库联结列并确保数据是一致的。
To split your dataset across different servers requires a lot of work at the application level, such as joining columns across two databases and making sure data is consistent.
模型指数据，视图指表示层，而控制器指应用程序逻辑或业务逻辑。
Model refers to your data, View to your presentation layer, and Controller refers to the application or business logic.
已知当前应用程序的数据库层结构非常良好和高效。
The database tier of current applications is known to be very well structured and efficient.
持久性框架用来在应用程序层和数据库之间来回移动数据。
A persistence framework is used to move data to and from the database in the application layer.
应用程序和数据库层之间的联接通常采用关系数据库中的SQL调用格式。
The linkage between the application and database tiers typically takes the form of SQL calls into a relational database.
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.
逻辑层将概念体系结构划分为在应用程序内扮演特定角色的组件，如表示层、应用程序逻辑层、业务流程层和数据访问层。
Logical tiers divide the conceptual architecture into components that play specific roles within the application, such as presentation, application logic, business processes, and data access.
这通常涉及应用程序层移植和数据库对象迁移。
It typically involves application layer porting, and database objects migration.
这通常涉及应用程序层移植和数据库对象迁移。
It typically involves application layer porting, and database objects migration.
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