SUM CT function on Formula

Hi All,
I have the following requirement ,
Amount  Count  Sum CT
100          1        5 (Hide)
200          1        5
300          1        5
400          1        5
500          1        5
                5        5 (Average)
I have used the count(Amount) to get the Count which is working fine , Then I am using the SUM CT (Count) this is not working as expected . Is there any limitation of SUM CT or any property that I need to use .
I am getting this
Amount  Count  Sum CT
100          1        1
200          1        1
300          1        1
400          1        1
500          1        1
                5        1
Can you please guide me in achieving this .
Thanks,
Deepak.

Dear Antony Gitonga  
It's not Table sum.
Plaese see the where condition, it will take only the current father and sum the quantity.
Plaese save the query in query manager and assign it in formated search and try.
select sum(T1.U_Base_Qty) From OITT T0,ITT1 T1
where
T0.code=T1.father and
T0.code = $[OITT.Code]
Regards,
Thanga Raj.K
Edited by: Thanga Raj K on Jun 1, 2009 12:15 PM
Edited by: Thanga Raj K on Jun 1, 2009 12:18 PM

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    (100 * 1.08(dec revaluation rate) + 200 * 1.1 ) / (300) = 1.093333333
    for Feb-08
    (100 * 1.08(dec revaluation rate) + 200 * 1.1 + 300 * 1.15) / (600) = 1.121666667
    for mar-08
    (100 * 1.08(dec revaluation rate) + 200 * 1.1 + 300 * 1.15 + 400 * 1.2) / (1000) = 1.153
    for Apr-08
    (1000 * 1.22(Apr revaluation rate) + 500 * 1.25) /1500 = 1.23
    for May-08
    (1000 * 1.22(Apr revaluation rate) + 500 * 1.25 + 600 * 1.30 ) /2100 = 1.25
    and so on..
    Kindly advice

    Hi,
    The main thing in this problem is that for every dt you want to compute the cumulative total from previous rows using the formula
    SUM (amt * rate)
    But rate can be either the rate from the revaluation table or the rate from the main table. For evaluating prior dates, you wnat to use the most recent rate.
    I'm not sure if you can do this using analytic functions. Like Damorgan said, you should use a self-join.
    The query below gives you the results you requested:
    WITH
    revaluation     AS
         SELECT 'CHF' curr1, TO_DATE ('31-DEC-07', 'DD-MON-RR') dt, 1.08 rate     FROM dual     UNION ALL
         SELECT 'CHF' curr1, TO_DATE ('31-MAR-08', 'DD-MON-RR') dt, 1.22 rate     FROM dual     UNION ALL
         SELECT 'CHF' curr1, TO_DATE ('30-JUN-08', 'DD-MON-RR') dt, 1.38 rate     FROM dual
    original_data     AS
         select     'CHF'                              curr
         ,     ADD_MONTHS(TO_DATE('01-DEC-07'), LEVEL -1)     dt
         ,     100 * LEVEL                         amt
         ,     1 + ( 5* LEVEL/100)                    rate
         FROM     dual
         CONNECT BY     LEVEL < 10
    two_rates     AS
         SELECT     od.*
              SELECT     MAX (dt)
              FROM     revaluation
              WHERE     curr1     = od.curr
              AND     dt     <= od.dt
              )          AS r_dt
              SELECT     AVG (rate) KEEP (DENSE_RANK LAST ORDER BY dt)
              FROM     revaluation
              WHERE     curr1     = od.curr
              AND     dt     <= od.dt
              )          AS r_rate
         FROM     original_data     od
    SELECT     c.curr
    ,     c.dt
    ,     c.amt
    ,     c.rate
    ,     SUM (p.amt)          AS sumover
    ,     SUM     ( p.amt
              * CASE
                   WHEN     p.dt <= c.r_dt
                   THEN     c.r_rate
                   ELSE     p.rate
                END
         / SUM (p.amt)          AS avgrt
    FROM     two_rates     c
    JOIN     original_data     p     ON     c.curr     = p.curr
                        AND     c.dt     >= p.dt
    GROUP BY     c.curr,     c.dt,     c.amt,     c.rate
    ORDER BY     c.curr,     c.dt
    ;

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