Why does discoverer restrict the folders i can select from?

I select some attributes from one folder, then afterwards go to another folder and i want to add some more attributes to my selection. but i cannot because the folder's are gray and disco doesn't let me access them.
why?
any help would be greatly appreciated
nate

Hi,
Your problem it's that you don't have joins defined between the two folders.
Discoverer automatically disables the selection of folders that don't have joins with the folder you select.
You have two options to solve that problem:
1.- Define joins between the folders you want to select from. That is , if there's a way two join the two folders.
2.- Define joins between the two folders an a third folder that has something in common with the others. Here you have to be carefull in chosing a folder that have the info needed for the query and that doesn't generate duplicate results.
hope this helps

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