SET STATISTICS IO

SET STATISTICS IO (Transact-SQL)

https://technet.microsoft.com/zh-cn/library/ms184361(SQL.90).aspx

如何识别SQL Server中的IO瓶颈

http://blog.csdn.net/dba_huangzj/article/details/7773744

SQLSERVER读懂语句运行的统计信息

http://www.cnblogs.com/lyhabc/archive/2013/01/13/2858916.html