摘要：
SELECT [Car] , DeviceNo , MIN([StateTime]) [StateTime] , MAX([EndTime]) [EndTime] , CAST(( DATEDIFF(SS, MIN([StateTime]), MAX([EndTime])) / 3600 ) AS VARCHAR(12)) + ':' + CAST(( ( DATEDIFF(SS, MIN([StateTime]), MAX([EndTime])) - ( DATEDIFF(SS, MIN([StateTime]), MAX([EndTime])) / 3600 ) * 360 阅读全文
