Hmmm, good thing you tell me,
because as you said, the "Outer Join" goes as this in my course:
SELECT e.ename, d.deptno, d.dname
FROM emp e, dept d
WHERE e.deptno (+) = d.deptno
AND
d.deptno IN (30,40)
and I do remember that I had to do stuff like that in class, but goodness did I suck at...