Display PDF Documents Stored In Database

Hi
I apologise that this question has been asked many times, but I just do not seem to be able to find answer to my question in many other posts over the years.
We have pdf documents stored in database and wish for client to view from forms session.
I am able to use webutil_file_transfer.DB_To_Client_With_Progress to transfer to client and open using client_host('cmd /c start '||TheFile);
I am also able to view pdf documents stored on application server using web.show_document.
What I would prefer to do is:
1. Transfer file from database to application server (This is bit I cannot figure out)
2. Display from application server using web.show_document
3. Delete temporary file from application server (Also unsure how to do this)
Our users have thin clients and so in many cases do not have access or unsure where can access to store temporary file if use transfer to client method. Wish to keep temporary file activity on application server.

You can combine the methods in WEBUTIL. Check this Re: Forms 10G - Saving Blob on Application Server using Java.

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