系统返回数int
SELECT @@PACK_SENT AS 'Pack Sent' --发包数
SELECT @@PACK_RECEIVED AS 'Pack Sent' --收包数
SELECT @@PACKET_ERRORS AS 'Packet Errors' --错包数
SELECT @@TIMETICKS AS 'Time Ticks'; --返回每个时钟周期的微秒数。
SELECT @@TOTAL_ERRORS AS 'Errors', GETDATE() AS 'As of' --硬盘读取错误数量
SELECT @@TOTAL_READ AS 'Reads', @@TOTAL_WRITE AS 'Writes', GETDATE() AS 'As of' --硬盘读取数量