--方法1
DECLARE @T int
SET @T = 10455836
SELECT DATEADD(hour, (@T / 1000000) % 100,
DATEADD(minute, (@T / 10000) % 100,
DATEADD(second, (@T / 100) % 100,
DATEADD(millisecond, (@T % 100) * 10, cast('00:00:00' AS time(2))))))
--方法2
SELECT CAST(STUFF(STUFF(STUFF(CAST(@T AS varchar),3,0,':'),6,0,':'),9,0,'.') AS time(2))SQL Server time(2)类型存储为int后如何转换
原文：http://blog.51cto.com/ultrasql/2071451