Create Mysql数据库备份，处理大数据库

http://www.lampblog.net/2011/03/mysql%E6%95%B0%E6%8D%AE%E5%BA%93%E5%A4%87%E4%BB%BD%EF%BC%8C%E5%A4%84%E7%90%86%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%BA%93/