COLUMN PATH1 FORMAT A30
COLUMN PATH2 FORMAT A30
SELECT  min(ename) keep (dense_rank first order by lvl) boss_ename,
        min(empno) keep (dense_rank first order by lvl) boss_empno,
        max(path) keep (dense_rank first order by lvl) path1,
        min(path) keep (dense_rank first order by lvl) path2
  FROM  (
         SELECT  ename,
                 empno,
                 path,
                 count(*) over(partition by empno) cnt,
                 min(lvl) over(partition by empno) lvl
           FROM  (
                  SELECT  ename,
                          empno,
                          ltrim(sys_connect_by_path(ename,'-->'),'->') path,
                          level lvl
                    FROM  emp
                    START WITH empno IN ( 7876 , 7902 )
                    CONNECT BY empno = PRIOR mgr
                 )
        )
  WHERE cnt =  2 
/


BOSS_ENAME BOSS_EMPNO PATH1                          PATH2
---------- ---------- ------------------------------ ------------------------------
JONES             7566  FORD-->JONES                   ADAMS-->SCOTT-->JONES

SQL>