Mapping guide in 11g

Question

Hi
i have following scenario
i load my data successfully in target table with following columns
1. ID
2. CalledPartyNo
3. CallingPartyNo
4. Status
5. ActualMinutes
6. BilledMinutes
7. LocationKey
8. TariffId
9. TariffCode
10. TariffGrp
11. CalledOperator
12. CallingOperator
13. CallDescription
14. IntLocIndicator
15. FileName
16 insert id
17 update id
18 SEQ_ID
through external table
now i want add another fact table (all inputs are coming from target table)
with following columns in it (fact table)
1.CALLINGOPERATOR
2.TOTAL_NO_CALL
3. TotalActualMinutes
4. TotalBilledMinutes
5. insert id
6 update id
Here i have following queries
a) i need guide how can i aggregate (ActualMinutes,BilledMinutes) so i got (TotalActualMinutes and TotalBilledMinutes in fact table
b) how can i calculate total numbers of call in fact table (this column is not in target table)
More over
c)
With the help of
column (calling operator)
fact table shows (total no of calls ,totalActualMinutes and TotalBilledMinutes)
how can i do this ??
hope i clear my scenrio
thnx in advance
Edited by: user11084693 on Jun 1, 2009 2:28 AM

Answer 1

thnx for replying
i have following queries can u answer in detail
1
actually all inputs are coming from target table say it X and i want to add another table say it Y now i use aggregator between X and Y
X -> Aggregator -> Y
i drag Aggregator operator between them now in Group by clause i use
select CALLINGOPERATOR,
count(*) TOTAL_NO_CALL,
sum(ActualMinutes) TotalActualMinutes,
sum(TotalMinutes) TotalBilledMinutes,
insert_id,
update_id
from your_et
group by callingoperator, insert_id,update_id ????
and in HAVING Clause
group by callingoperator, insert_id,update_id ????
2
How can i calculate ToTAL_NO_CALL becoz this column in not in X ??or add this column manually in outgroup of Aggregator operator ?