Sharing a form to generate Excel file report from SQL query in Oracle Forms. This form can be used in Oracle Forms 6i and 10g / 11g.
 
Below is the screen shot of this form and could be download from the following link:
 
Freebie - Utility Form: Generate Excel Report From SQL Query In Oracle Forms 6i And 11g_代码
 
A procedure Create_Excel_File is attached in Program Unit of the form, which is being called from the "Generate Excel Report" push button and the following code is written on When-Button-Pressed trigger:
 
declare
vstring varchar2(4000);
begin
vstring := rtrim(replace(replace(:sql_query, chr(10),''), chr(13),''), ';');
Create_excel_file(vstring);
end;

Note: Excel Report will be created and open automatically in New Excel Instance.

See more examples of using OLE object in Oracle Forms from the following links: