How to force a group with 0 records appear in the report?

[Corres]

CR2008, Oracle 10

The client wants to see the groups with 0 records appear in the report. I was trying to insert a query in the command line containing all values of the group and then link them. But it does not work.

Please give me idea how to do it.
Thank you very much!

 

[IanWaterman]

You must have a table which contains data for all th groups you require, then left join fromthis new table to your existing data. Then group on a field from the new table.

Ian