Questions and Replies. Viewing all possible values for an item

Hello everyone,
I have a problem with displaying a set of questions and relative replies.
Every question has 5 possible replies, ranging from bad to good, like:
- bad
- not so bad
- average
- almost good
- good
For every question, I create a vertical bar graph with the percentage of each kind of reply.
The problem is, I can't show replies which had no replies.
For instance,
if nobody replied 'not so bad', it won't appear in the graph. I would like the column with that value appear anyways, even though it's empty.
Is it possible?
Sorry for my bad English

Hi Fabio,
Yes, what you are asking is possible. You root problem is that when you join your fact information (# of replies) with your dimension information (type of reply), you are using an inner join. So when no facts are related to a given dimension, you don't get any result. You have a few method's available to you:
1) Use Nico's data densification trick: http://gerardnico.com/wiki/dat/obiee/logical_sql/obiee_sql_densification
2) Use John Minkjan's outer join work around: http://obiee101.blogspot.com/2008/11/obiee-outerjoin-workaround.html
3) Use a regular outer join in your RPD
Good luck and if you found this post useful, please award points!
Best regards,
-Joe

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