有些网站应用程序通过URL对后台数据库进行SQL查询。
Some Web applications make SQL queries to the back-end database through the URL.
系统网站设计具有后台数据库管理功能，如用户管理、系统的初始化、备份、成绩的统计和输出。
The systematic websites' design functions as the database management, for example, the users' management, the initiation of the system, data copies and the statistics and output of the scores.
目前，页面中的信息大都保存在网站的后台数据库中，这些数据必须通过数据库访问技术才能访问到。
At present, most of the page in the website information database, we must pass these data backend database to access data information.
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