用Navicat制作ER图及与SQL互相转化
http://wangbaiyuan.cn/sql-and-use-navicat-to-make-er-diagram-and-interactive.html
http://blog.csdn.net/clevercode/article/details/51814701
http://wangbaiyuan.cn/sql-and-use-navicat-to-make-er-diagram-and-interactive.html
http://blog.csdn.net/clevercode/article/details/51814701
原文：https://www.cnblogs.com/andy9468/p/8360925.html