Needs Time Calculation in SQL Querry

Question

Dear ALL,
I am having One Finished Good (X )  which is make item and machine is defined in one of the UDF in Item master (U_MACH) and Speed of the machine is also defined in Item Master. (U)Speed)
now the scenario is :
I got an Sales order for X , qty is 100000
Now i want to calculate the time
speed of the machine is 400 per min and name of the machine is M1
so
100000/400 = 250 /60  = 4,16 Hrs
and my end time is 10AM 
i want a querry to calculate 10:00:00 - 4:16.00 = 5:44:00
Thanks In Advance
Ashish Gupte

Answer 1

Hi,
I have a sample code right here.Just change Hour1 and Hour 2 into your corresponding Table.FieldName.
Note: the only difference here is Time start - Time end - 15 mins. Kindly remove @lessmin.
DECLARE @lessmin int;
DECLARE @ms int;
DECLARE @datetime1 datetime;
DECLARE @datetime2 datetime;
Declare @hour1 as datetime
Declare @hour2 as datetime
Declare @date1 as datetime
Declare @date2 as datetime
set @date1 ='2011-08-25'
set @date2 ='2011-08-25'
set @hour1=(Select $[OPDN.U_LoadTimeStart])
set @hour2 =(Select $[OPDN.U_LOadTimeEnd])
SET @lessmin = -15;
SET @datetime1 = @date1 + @hour1 ;
SET @datetime2 = @date2 + @hour2;
SET @ms = DATEDIFF(ms,@datetime1,DATEADD(mi,@lessmin,@datetime2));
select  convert(varchar(13),@ms/3600000)+':'+right('0'+convert(varchar(2),(@ms % 3600000)/60000),2)
Regards,
Darius Gragasin