Question

I have data like this format…

ID  id  date                     time           total
-----------------------------------------------------------    
51  192 2012-08-14 00:00:00.000 02:10 PM    4900.00
51  191 2012-08-11 00:00:00.000 03:20 PM    5500.00
51  35  2012-08-17 00:00:00.000 10:30 AM    2900.00
51  35  2012-08-17 00:00:00.000 11:50 AM    10800.00
51  192 2012-10-23 00:00:00.000 04:00 PM    2900.00
51  192 2012-10-23 00:00:00.000 03:00 PM    2900.00
51  192 2012-10-23 00:00:00.000 10:10 AM    2900.00
51  192 2012-10-23 00:00:00.000 02:50 PM    2300.00
51  191 2012-11-16 00:00:00.000 04:00 PM    2900.00

I would like to display sum(total) on a monthly basis. If bookings are not available entire month that month should display 0 value. Because I would like to plot that month value to chart.

Could you please help on this query?

Answer 1

try this:

select  Years,number as Month,isnull(Total,0) as Total
from(
    select number 
    from master..spt_values 
    where type='P' 
    and number between 1 and 12) seq
cross join (select distinct Year([date]) as Years from Table1) y
left join
    (select Year([date])as Year,month([date])as Month,sum(total) as Total
     from Table1 
     group by  Year([date]),month([date]))t
on seq.number=t.Month
and t.year=y.Years            

SQL fiddle demo