说明：  用powebuilder编写的数据检索与排序的数据库管理软件，只要有编译环境，保证可以直接运行，对学习数据库编程的人很有用！
(Written by powebuilder data retrieval and sorting of the database management software, as long as the build environment to ensure that you can run directly on the people to learn database programming is useful!)