用于画ER图的小工具（数据库中画ER图使用，小巧，方便）-ER diagram for the painting of small tools (database, draw ER diagram use, compact, easy)

学习使用SQLite3的很好的资料，SQLite3由于其小型化，无须配置，开源的特性越来越受到嵌入式方向的青睐。-Today, there are millions and millions of copies of SQLite running unnoticed inside computers and gadgets made by hundreds of companies from around the world. You have probably used SQLite

开发中的一个记事本类的oracle数据库小工具-Development of a notebook class oracle database Gadgets