http://www.cnblogs.com/alex3714/articles/5950372.html
9. ORM sqlachemy学习
http://www.cnblogs.com/alex3714/articles/5978329.html
http://www.cnblogs.com/goldsunshine/p/9269880.html
8. python 操作mysql
python-mysqldb : http://www.cnblogs.com/wupeiqi/articles/5095821.html
pymysql : http://www.cnblogs.com/wupeiqi/articles/5713330.html
python(十二)下:ORM框架SQLAlchemy使用学习
https://blog.csdn.net/fgf00/article/details/52949973