.pll,.lib,.pld      The  library  pll files is a portable design file comparable to an fmb form file         The  library  lib  file is a plat form specific, generated library file comparable to a fmx form file         The  pld  file  is  Txt  format ...

 A  fetch from a long raw database column PL/Sql assignment to executing the read_image_file built_in procedure to get an image from the file system.

      When-Image-activated(Fires when the operator double clicks on an image Items)          When-image-pressed(fires  when  the operator selects or deselects the image item)

 Plain, Check,Radio, Separator, Magic 

How to apply form handlers in Oracle forms which we have already created in an application?