% behaves like NULL at Disco Report ?

Hi,
I try to use '%' at parameter , but disco report comments it NULL and retrieveing no record..
I create parameter at condition for it...
Discoverer version is 4.1.41.05.00
What should i do to accomplish it?
Thanks...
Defne

Hi.
When I run a report with '%' parameters and the report does not return any rows, I check the parameter list and finds that '%' is replaced with NULL's.
I've checked the NLS_LANG parameters in the registry and compared them to the PC's on which the reports don't work, and they use the same settings, so I don't think the problem is language settings.
I have found a workaround though. If I use the following in the conditions part:
NVL(Column,'$') LIKE NVL(:Column Parameter, Column), I get correct results even if my '%' parameters are replaced by NULL.
This evaluates null columns to $ and the parameter to the result of this evaluation (sorry for bad explanation) and makes the condition true -> the row is displayed.
Comments are welcomed :)

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hiii
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% behaves like NULL at Disco Report ?

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