mysqll底层分享(一):MySQL索引背后的数据结构及算法原理
http://www.uml.org.cn/sjjm/201107145.asp#nav-2
http://tech.it168.com/a2011/0711/1216/000001216087_all.shtml
http://www.uml.org.cn/sjjm/201107145.asp#nav-2
http://tech.it168.com/a2011/0711/1216/000001216087_all.shtml