in sql words, wouldnt this be a not in clause?
so use the main view/table.. .then not in (select from subset ) ??
or attempt a right join.. and select the conditions which are null... ?? maybe another approach
in sql words, wouldnt this be a not in clause?
so use the main view/table.. .then not in (select from subset ) ??
or attempt a right join.. and select the conditions which are null... ?? maybe another approach