. . , .
[ ] [ ].
, , , .. 01.12.05 31.12.05, ,
.
SQL :
SELECT Sum([]*[]*(1+[]-[])) AS
FROM INNER JOIN ON .[ ] = .[ ]
WHERE (((.[ ])>=[ ] And (.[ ])<=[ ]));
, , , . , .
, . , . , .
, . . . .
1. , () .
2. .
3. .
.
>> >. , > .
, , , . 
> , . .
|
|
|
. , .
.
:
1. ;
2. ;
3. Sum .
, , .
( ).
. , .
!
