How to debug a query in Apex

Hi all,
I have written a query under region source in interactive reports
select getTextColumnByID(:ID,OHR_PARAMETERS,VALUE) as Description,max_mark from max_marks where
employee_id='Z901234';and it throws error as ORA-00904: "VALUE": invalid identifier
How do i debug and locate the probelm?
thanks

No it does not work,,It throws the same error.I found the problem its because the query throws multiple rows where only one row is expected.
the query should be like
select getTextColumnByID('ID','OHR_PARAMETERS','VALUE') as Description,max_mark from max_marks where
employee_id='Z901234';to get compiled.

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ibasaran's Profile: https://forums.netiq.com/member.php?userid=2826
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> When run the collector debug mod always saying to me NODATA. Anybody
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