执行计划解读 简朝阳 (Sky Jian) and 那蓝蓝海

http://greemranqq.iteye.com/blog/2072878

        http://www.mysqlab.net/

        http://www.mysqlpub.com/

 http://blog.163.com/li_hx/blog/static/18399141320146219354154

http://isky000.com/database/mysql-explain-detail

http://blog.csdn.net/wangpeng047/article/details/12849331

http://www.cnblogs.com/cswuyg/p/4355948.html