sql server 計算兩個時間 相差的 幾天幾時幾分幾秒

	CAST ( CAST ( DATEDIFF ( ss, StartTime, ConcludeTime ) / ( 60 * 60 * 24 ) AS INT ) AS VARCHAR ) + '天' + CAST ( CAST ( DATEDIFF ( ss, StartTime, ConcludeTime ) % 86400 / 3600 AS INT ) AS VARCHAR ) + '小時' + CAST ( CAST ( DATEDIFF ( ss, StartTime, ConcludeTime ) % 3600 / 60 AS INT ) AS VARCHAR ) + '分' + CAST ( CAST ( DATEDIFF ( ss, StartTime, ConcludeTime ) % 60 AS INT ) AS VARCHAR ) + '秒' LengthOfTime