数据库访问中间件是所有中间件中最成熟的一种，它支持应用程序和本地或异地的同构或异构数据源进行通信。
Database access middleware is the most sophisticated of all kinds. It supports communication in the application and data sources, which can be local or remote and isomorphism or heterogeneous.
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.
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.
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.
本文利用数据库中间件技术来解决异构数据库访问的问题。
This paper makes use of the database middleware technology to resolve the problem of the access to the heterogeneous databases.
提出了用PB的ODBC接口访问数据库的原理和机制，为异构数据库的集成提供了一种基于ODBC中间件的解决方案。
And also by using the principle and mechanism of ODBC interface technique PB to access the database, this paper provides a solution based on ODBC middleware for heterogeneous database integration.
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.
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.
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.
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