我只是在网上看到一个比较好点的管理系统，有些东西还是可以学习下的。-I just saw on the Internet a better point of management systems, but some things can still learning approach.

整体来说对于初学者是不可缺少的部分，你看了对sql数据库的链接会有深层次的了解。-The whole is indispensable for the beginners section, you saw the link to the sql database will be in-depth understanding.