Neither do *I* have a photographic memory, but what *I* do have is a way of myself fresh enough to have the info near-online. Also, I don;t index things... I use a tree method for keeping things in my head, much better on resources, of which *I* have plenty and not requiring a full-data-dump and data-re-load to index and compress properly. I learn most things anyway, rather than memorize.
I am not quite sure what you are saying here. May I ask you to clarify? Thanks.
Note that I am talking about taking the exam. How I lookup or manage info at a regular production desk is more or less a different matter.