display MGR name
EMPNO ENAME MGR
---------------------- --------------- ----------------------
7369 SMITH 7902
7499 ALLEN 7698
7521 WARD 7698
7566 JONES 7839
7654 MARTIN 7698
7698 BLAKE 7839
7782 CLARK 7839
7788 SCOTT 7566
7839 KING
7876 ADAMS 7788
7900 JAMES 7698
7902 FORD 7566
7934 MILLER 7782
i want to display the data like
empno.... ename... mgr.... mgrNAME.
means for that employee, i want to display his manager name..???