Hallo,
Il 29/02/2016 17.51, Fernando P. Nájera Cano y...@fernandonajera.com
[firebird-support] ha scritto:
> When you do SUM(DC.I / DC.Q), the value of the division is calculated
> *per row*, and then those values are summed up.
>
> Fernando Nájera
Ok, now I understand.
Thank You
--
Luigi
Hi Luigi,
> I not understand,
> I have this table (DC):
> A_IDIQ
> 13701
> 23701
> sum(DC.I) is = 740
> and sum(DC.Q) is = 2
> then 740/2 = 370
> but
> SUM(DC.I / DC.Q) it should be (740 / 2) = 370. Why not?
> Why i am wrong?
When you do SUM(DC.I / DC.Q), the value
Hallo,
Il 29/02/2016 15.31, Dimitry Sibiryakov s...@ibphoenix.com
[firebird-support] ha scritto:
> 29.02.2016 15:19, Luigi Siciliano luigi...@tiscalinet.it [firebird-support]
> wrote:
>> What is the difference from "SUM(DC.I) / SUM(DC.Q)"
>> and "SUM(DC.I / DC.Q)"
> 1/2 + 1/4 <> 2/6.
29.02.2016 15:19, Luigi Siciliano luigi...@tiscalinet.it [firebird-support]
wrote:
> What is the difference from "SUM(DC.I) / SUM(DC.Q)"
> and "SUM(DC.I / DC.Q)"
1/2 + 1/4 <> 2/6.
--
WBR, SD.
Hallo,
I have, in DC table, two rows with same data:
A_IDI Q
1 370 1
2 370 1
with this query:
SELECT FIRST 1
DT.D as DCU,
SUM(DC.I) / SUM(DC.Q) AS CU,
(SELECT
SUM(DC.I) / SUM(Q)
FROM
DOC_C DC
WHERE
DC.C > 0.00
AND DC.A_ID
