说明：  导读 　　在项目开发中如何进行需求分析，如何规划数据库、数据库建模以及怎样将模式设计应用于具体的项目困扰了开发人员。本文以一个在线课程项目为线索全景展现软件开发的各个步骤。
(navigation project development in how to carry out a needs analysis, planning database, Database modeling and how to design models for specific projects troubled developers. In this paper, an on-line courses for clues panoramic display software development steps.)