Alkpote, cette salope !

SELECT E1.ename,D1.dname,E2.ename,D2.dname FROM dept D1, dept D2, emp E1, emp E2 WHERE E1.job = 'Manager' and E1.empno = E2.mgr and E1.deptno != E2.deptno and E1.deptno = D1.deptno AND E2.deptno = D2.deptno