Some problems in dashboard prompt

Hi,
I have a requirement about prompt with report response,
There is a Year prompt, the value of year is '2010','2011' and '(Null)' ,because there is a NULL in year column in DB, so '(Null)' is displayed in prompt,
the report has only one column that is year,but this year column is not the same column as the prompt,only the value is the same.
What I have to realized is
the first time I went into this page, the prompt is blank, but the report will show all data,namely,'2010','2011' and null value(blank value),
when I choose All choices,the report also will show '2010','2011' and null value(blank value),
when I choose 2010,the report will show 2010,
when I choose 2011,the report will show 2011,
when I choose '(Null)',the report will show only one row that is blank.
Any solution???
Thank you!

Alpha,
You can never get this working unless you satisfy normal sql join.
For eg: A.col = B.col
This join will always fail for NULL values..
2 Options to solve this:
1) Database Level: Update all null values to specific value like 'NA'
Or
2) In your RPD physical use:
IFNULL(A.col,'NA') = IFNULL(B.col, 'NA')
Users need to select NA from dropdown to show NA records...Display a static message saying NA is actually NULL values
Hope you are clear with your funda...

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it means oracle bi doesn't provide any solution for this...
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A

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Edited by: user1074008 on Nov 1, 2010 2:25 AM

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Some problems in dashboard prompt

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