how does thestatement:-
IMPORT DIRECTORY INTO <dirtab>
FROM DATABASE <dbtab>(<ar>)
[CLIENT <cli>] ID <key>.
differentiates with :-
IMPORT <f1> [TO <g1>] <f2> [TO <g2>] ...
FROM DATABASE <dbtab>(<ar>)
[CLIENT <cli>] ID <key>|MAJOR-ID <maid> [MINOR-ID <miid>].