How To Set WHO Column In Oracle Forms

Inorder to set WHO columns you need to have the following 5 columns with your custom tables.

,CREATED_BY                    NUMBER
,CREATION_DATE              DATE
,LAST_UPDATED_BY        NUMBER
,LAST_UPDATE_DATE      DATE
,LAST_UPDATE_LOGIN    NUMBER

With both pre-insert and pre-update Block level triggers call the below code.

begin
    fnd_standard.set_who;
end;