SQL Server Sum table fields based on params -


i have table containing values 12 different months

table {    january int,    february int,    etc. }

and need sum values specific months numbers keep in table (the number of months sum can vary 1 12):

    declare @months table     (         number int     )

so i'll surely need big case , cte don't know how achieve this.

the case statement isn't bad:

select sum((case when m.month = 1 jan else 0 end) +            (case when m.month = 2 feb else 0 end) +            . . .            (case when m.month = 12 dec else 0 end)           ) atable cross join      @months m;

you might want group by well. above return 1 row entire table.


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