Dynamic forms - DB table or file?

[V]

Please help me with some guidance. I want to allow users to create their own html forms by choosing different form elements (textfields, textareas, lists, ratios, etc) I guess something similar to http://wufoo.com/ but much more basic. I'm having some trouble deciding which approach I should take. Database tables or files?

 

For tables I was thinking to create a table for each form element, e.g

 

TEXTFIELD TABLE

ID

TEXTFIELD_NAME

USER

 

TEXTAREA TABLE

ID

TEXTAREA_NAME

USER

 

etc for all form elements

 

and then just query all of them with..

 

WHERE user=$user

 

Or should I generate php files on the server for each form created?