Hi,
check the following Code
SELECT E.EmployeeID,E.Day, (E.TotalTime/60) 'TotalHours', (E.TotalTime%60) 'Minites'
FROM (SELECT EmployeeID,CONVERT(VARCHAR(10),FromTime,102) 'Day',SUM(DATEDIFF(mi,FromTime,ToTime)) 'TotalTime'
FROM tblEmployeeTimeCard
GROUP BY EmployeeID,CONVERT(VARCHAR(10),FromTime,102))E
SELECT E.EmployeeID,E.Day, (E.TotalTime/60) 'TotalHours', (E.TotalTime%60) 'Minites',
CASE WHEN (E.TotalTime/60)>=6 THEN E.TotalTime - (30* ROUND((E.TotalTime/60*6),1))
ELSE (E.TotalTime/60) END 'TotalWorkHours'
FROM (SELECT EmployeeID,CONVERT(VARCHAR(10),FromTime,102) 'Day',SUM(DATEDIFF(mi,FromTime,ToTime)) 'TotalTime'
FROM tblEmployeeTimeCard
GROUP BY EmployeeID,CONVERT(VARCHAR(10),FromTime,102))E
For ur Question 2, I am not getting. give some more details about that. if possible send some sample data. if access over lap like (From date is 2013 -04-05 11:55:00PM to 2013-04-05 19:10:00PM)
then we can't able to fine the time difference. So check the code for Question No 1 and give the feedback.
Regards,
GVPrabu