Where are the uploaded files get stored ?

Hi SCNers,

I have a query related to Portal Content Administration in NW 7.3 Java stack.

If I had uploaded some files in the Documents folder by creating a new folder xxxx.

Now where these files get stored ? In file system or in database ?

System details:

NW 7.3 

Windows server 2008 R2

Oracle 11.2.0.2.

Regards

Sudhir Sadhu