CGI程序可能只是小的脚本，执行一个简单的计算，也可能会连接到一个全面的后端数据库服务器。
CGI programs may simply be small scripts that perform a simple calculation, or they may connect to a full-fledged back-end database server.
联邦服务器运行的应用程序引用事务中使用的、两个后端DB2数据库服务器上的实际表的昵称。
The federated server ran applications that referenced nicknames to the actual tables used in the transactions on both back-end DB2 database servers.
数据库服务器-后端数据库。
现在考虑一下，如果后端数据库过载，而应用服务器仍然有可用的处理能力，这时候会发生什么情况？
Now consider what happens when the backend database becomes overloaded, but the application server still has available capacity.
Ajax允许以任何一种编程语言创建页面，然后用来自数据库或其他后端服务器过程的信息刷新该页面的不同部分。
Ajax allows you to create a page in any programming language, then refresh different parts of that page with information from a database or some other back-end server process.
控制器由一个servlet提供，该servlet运行在嵌入式JettyWeb服务器中，而Derby数据库则充当后端，表示该应用程序的模型层。
The controller is provided by a servlet that runs in the embedded Jetty Web server, and the Derby database ACTS as the back end and represents the model layer for the application.
在J2EE服务器上安装Web应用程序之前，务必确保为您使用的数据库设置了正确的后端id值。
Before installing your Web application on your J2EE server, be sure to check that the backend ID value is set correctly for the database you will use.
许多PHP开发人员开始在Linux服务器上编写PHP应用程序，这些Linux服务器运行ApacheWeb服务器并且连接到诸如mysql之类的后端数据库。
Many PHP developers start writing PHP applications on Linux servers that run the Apache Web server and connect to a back-end database like MySQL.
这同样可以应用到数据库后端、应用程序服务器、Web服务器和环境基础架构的其他元素，并且特别是对于这些的排列组合。
The same applies to database back-ends, application servers, Web servers and other elements of the environmental infrastructure, and, in particular, to combinations of these.
COM是一个全面的体系结构，覆盖从前端到后端到服务器和数据库。
COM is the overall architecture that extends from the front end through back to the server and the database.
COM是一个全面的体系结构，覆盖从前端到后端到服务器和数据库。
COM is the overall architecture that extends from the front end through back to the server and the database.
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