radha(dot)manohar(at)ndsu(dot)nodak(dot)edu writes:
> As I was walking through the source code, I encountered certain
> terminologies like Current Memory Context and portal
> What do these represent?
See src/backend/utils/mmgr/README for a discussion of memory contexts.
Not sure portals are very well documented anywhere, but think of 'em
as the implementation of cursors.
regards, tom lane