Oracle Discoverer 4 query

Hi All,
I need to create a report in Oracle Discoverer. I would like to know if it is possible to create a report with the following logic. If yes, then how do I go about creating a report.
I have a table TBLREPORT with the following structure from which I have to pick up records.
Table: TBLREPORT
dttime DATE
interval VARCHAR2(10) (The field will have values BASE, HOURLY)
rdvalue number (aggregate to be applied in business area is AVG)
Data in table:
Dttime interval rdvalue
20-AUG-2001 9:00 am HOURLY 10
20-AUG-2001 10:00 am HOURLY 20
21-AUG-2001 9:00 am HOURLY 20
21-AUG-2001 10:00 am HOURLY 30
22-AUG-2001 9:00 am HOURLY 10
22-AUG-2001 10:00 am HOURLY 20
23-AUG-2001 9:00 am BASE 10
23-AUG-2001 9:15 am BASE 20
23-AUG-2001 9:30 am BASE 30
23-AUG-2001 9:45 am BASE 40
23-AUG-2001 9:00 am HOURLY 25 (the base data for 23-AUG-2001 from 9:00 am to 9:45 am is rolled up to arrive at HOURLY data e.g. 10+20+30+40 = 100/4 = 25)
23-AUG-2001 10:00 am BASE 50
23-AUG-2001 10:15 am BASE 60
23-AUG-2001 10:30 am BASE 70
23-AUG-2001 10:45 am BASE 80
23-AUG-2001 10:00 am HOURLY 65 (the base data for 23-AUG-2001 from 10:00 am to 10:45 am is rolled up to arrive at HOURLY data e.g. 50+60+70+80 = 260/4 = 65)
24-AUG-2001 9:00 am BASE 10
24-AUG-2001 9:15 am BASE 20
24-AUG-2001 9:30 am BASE 30
24-AUG-2001 9:45 am BASE 40
24-AUG-2001 9:00 am HOURLY 25 (the base data for 24-AUG-2001 from 9:00 am to 9:45 am is rolled up to arrive at HOURLY data e.g. 10+20+30+40 = 100/4 = 25)
24-AUG-2001 10:00 am BASE 50
24-AUG-2001 10:15 am BASE 60
24-AUG-2001 10:30 am BASE 70
24-AUG-2001 10:45 am BASE 80
24-AUG-2001 10:00 am HOURLY 65 (the base data for 24-AUG-2001 from 10:00 am to 10:45 am is rolled up to arrive at HOURLY data e.g. 50+60+70+80 = 260/4 = 65)
From this table I have to pick-up data for week = 20-AUG-2001 to 24-AUG-2001.
(the week start date is entered by the user in the report)
I have to first check if BASE data exists for the week.
If no base data exists then check for HOURLY data.
The following data exists:
No BASE data will be available for 20-AUG-201, 21-AUG-2001 or 22-AUG-2001, since it would have been deleted. HOURLY data is available for these days.
BASE data would be available for 23-AUG-2001 and 24-AUG-2001. HOURLY is available for these days also.
20-AUG-2001 21-AUG-2001 22-AUG-2001 23-AUG-2001 24-AUG-2001
No BASE No BASE No BASE BASE BASE
HOURLY HOURLY HOURLY HOURLY HOURLY
The input to the report is:
Week start date = 20-aug-2001
Hour range = 9:00 am to 10:00 am
Now in order to produce a weekly report,
1) The HOURLY data for 20-AUG-201, 21-AUG-2001 and 22-AUG-2001 should be viewed for the hour ranges the user enters.
2) The BASE data for 23-AUG-2001 and 24-AUG-2001 should be rolled-up to arrive at HOURLY data only for the hour ranges entered by the user, using the logic specified for rollup as given in the data. The HOURLY data present for 23-AUG-2001 and 24-AUG-2001 should not be considered but the BASE data should be considered which should be rolled-up to arrive at HOURLY data.
3) Then the HOURLY data from 20-AUG-201, 21-AUG-2001, 22-AUG-2001, Base data of 23-AUG-2001 and 24-AUG-2001 rolled-up to HOURLY should be used to generate the weekly report, taking into consideration the hour ranges entered by the user.
Any help will be greatly appreciated.
Thanks in advance
MF

Hi,
When users are removed from the system their privileges in EUL4_ACCESS_PRIVS are not removed. However, when the privileges are exported and imported only the privileges of valid users are imported into the EUL. Therefore it could be that the missing privileges relate to users that are no longer on the system. You would have to check in the original EUL4_ACCESS_PRIVS to confirm that.
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