本文致力于研究基于XML的数据库中间件的设计与应用问题。
The research based on the XML database middleware design and application is proposed in this paper.
如何构建一个高效、通用、可扩展、低成本的数据库中间件，是当前数据库中间件领域研究的一个重要方向。
How to build a database middleware in an efficient, general-purpose, scalable, cost-effective way will be an important direction in the field of database middleware.
为了在前端CGI显示代码和后端数据库及业务逻辑代码之间构建一个中间件桥，必须定义一个允许所有必需数据访问的API。
In order to build a middleware bridge between the front-end CGI display code and the back-end database and business logic code, an API that allows all necessary data access must be defined.
中间件创建一个灵活的系统，在这个系统中，底层的RDBM可以无缝地改变，而且允许用集群替换单一的数据库服务器。
Middleware creates a flexible system where the underlying RDBM may be seamlessly changed, and additionally allows a single database server to be replaced with a cluster of machines.
这些应用会经常与关系数据库或者其他信息系统——比如面向消息的中间件——进行交互。
These applications frequently interact with relational databases and other information systems such as message-oriented middleware.
执行硬件、操作系统和数据库系统以及中间件的安装和正在进行的维护工作。
Performs installation and ongoing maintenance work on hardware, operating and database systems, and middleware.
接下来的各个部分将列出在中间件环境中这四个步骤的一些关键点，在这些环境中使用不同的数据库或消息传递产品作为资源管理器。
The next sections list some key highlights for these four steps in middleware environments using different database or messaging products as a resource manager.
例如，一个应用程序可能既要访问来自中间层的Oracle数据库，又要通过中间件(如MQSeries)访问CICS、IMS等大型主机系统。
For instance, a program may use data in both a middle-tier Oracle database and a mainframe CICS or IMS system accessible through middleware such as MQSeries.
这些工具对源代码、作业控制语言(Job Control Language,JCL)、中间件配置元数据和其他构件的分析将被捕获在数据库中。
Their analysis of source code, Job Control Language (JCL), middleware configuration metadata, and other artifacts is captured in a database.
平台即服务(Platform - as - a - Service)：BPMBlueWorks运行在一个包含应用服务器、数据库服务器、协作服务器和安全服务器的中间件平台上。
Platform-as-a-Service: BPM BlueWorks runs on a middleware platform that includes application servers, database servers, collaboration servers, and security servers.
Cloud不过是通过网络交付价值的数据库和中间件而已。
It's basically databases and middleware delivering value over a network.
所有这一切都依赖于数据库服务器和管理连接池的中间件的可伸缩性。
All this depends on both the scalability of the database server and the middleware managing the connection pool.
如果应用程序能继续向下运行并且恢复到以前，就可以幸运地忽略故障发生前正在做的事情，因为中间件和数据库保证了数据的完整性。
If the application does go down and come back up, it can be blissfully ignorant of what it was doing before the failure, since the middleware and databases guarantee data integrity.
保证所有的动作具有常见结果的 机制是两个数据库和一些支持中间件所支持的协议。
The something that guarantees the common outcome of all the actions is a protocol supported by both databases, and some supporting middleware.
同样地，当提到数据库时，它可能是实际的数据库或一些助手中间件。
Likewise, when we say database, it might mean the actual database, or some helper middleware.
例如，一个外部实体，比如说一个中间件服务器，可以使用不同用户名下已有的数据库连接，而不需要对新的连接用户进行认证的能力。
This includes the ability for the external entity, such as a middleware server, to use the existing database connection under a different user without the need to authenticate the new connection user.
和数据库相似，MQ产品有时被称为面向消息的中间件(MOM)，已经出现相当一段时间了。
Like databases, MQ products, sometimes referred to as message-oriented middleware (MOM), have been around for quite some time.
数据库和用户注册表VM的端点URL指示了用来访问中间件的特定信息。
The endpoint URL for database and user registry VMs indicates specific information to access that middleware.
SequeLink是一个中间件组件，它提供与各种遵循jdbc的数据库的数据连接性。
SequeLink is a middleware component providing data connectivity to a variety of JDBC-compliant databases.
其中可能包括在Web浏览器中使用applet、中间件当中的合理设计、以及利用数据库系统的长处。
This may include the use of applet in the Web browser, the proper design in the middleware, and taking advantage of the strength of the database system.
针对这种问题，介绍和分析了当前解决数据集成的几种主要方式：多数据库系统，数据的复制、迁移和转换，中间件技术。
About the question, we introduce that dealing with it have several mostly format currently, for instance, more databases system, copy, moving transforming of data, and middleware technology.
根据网上录取模式，对招生业务，数据库中间件技术进行了深入的研究，提出了混合结构模式的网上招生录取系统。
According to the new mode on Internet, we take in-depth study on enrollment and database middleware technology and propose a mixed structured enrollment system on Internet.
结果表明：这个模型在处理数据转换时具有相对独立性，可将SQL命令作为XM L文档的标签，并将建立数据库连接和生成SQL命令整合在中间件中。
This model has relatively independency in dealing with data transition, using SQL command as label in XML document and integrating database connection and SQL command building in the middleware.
中间件技术是解决异构数据库问题较理想的方案，这种方法需要一种交互媒介。
Middleware technique is the better perfect precept of solving heterogeneous database which needs a sort of mutual medium.
目前主要的数据集成技术包括联邦数据库、数据仓库以及中间件三种方式。
Nowadays there are mainly three methods for data integration, which are Federated Databases, Data Warehouse and Middleware.
在这个技术时代，有很多数据库存取中间件成为客户端应用程序和数据库服务器之间的连接。
In this technology era, there are Numbers of database access middleware which become a connection between applications on client side and database server.
数据访问的事务处理中间件主要用于分布式的数据库访问的事务处理，采用两阶段提交技术。
Data access oriented transaction-processing middleware is used for distributed database transaction processing, which USES two-phase commit.
基于工作流中间件的用户需求分析，本文给出了工作流中间件的体系结构设计、模块和接口功能说明、数据库设计。
Based on the user requirement analysis, this thesis presents the architecture design, the design for the modules and the interfaces, and the database design.
重点分析了XML与关系数据库之间的映射，提出了一种以xml作为中间件的异构数据库集成方案，并对其中的主要环节给出了具体实现。
It analyzes the mapping between the RDBS and XML, then proposes a new schema of heterogeneous database integration based on XML and presents implementation method of main parts in details.
详细论述了多数据库的中间件实现技术、数据库的ADO访问技术、MFC和ADO的结合编程、数据库集成以及数据的转储。
Midware implementation technique in multi database, ADO access technique of database, combination programming of MFC and ADO, integration of database and communication of data are discussed in detail.
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