http://dynamiclu.iteye.com/blog/1439296
http://doc.mysql.cn/mysql5/refman-5.1-zh.html-chapter/sql-syntax.html#create-table
http://doc.mysql.cn/mysql5/2012/0426/5569.html
http://seclists.org/oss-sec/2012/q2/493
http://blog.csdn.net/fax5201314/article/details/6701188
http://topic.csdn.net/u/20080105/11/f5b189c8-e308-4561-a68f-98b913a0e3b4.html
http://huxiao.iteye.com/blog/629030
http://blog.csdn.net/huyiyang2010/article/details/5677396
http://lixjluck.iteye.com/blog/1312056
MB
http://wenku.baidu.com/view/036ef0ceda38376baf1fae15.html
Oracle
http://tntxia.iteye.com/blog/1179918
Oracle InStr
http://blog.163.com/liu_yang1234/blog/static/2447431020112290109559/