Finding the Manager

Question

Hi,
While using the EMP table, please tell me the query to find out who is the manager of a employee .. I know that we can achieve that by using self join .. but unable to write the code for it .. Please help
Regards

Answer 1

SQL>SELECT empno||' whos is '||ENAME||' works for '||nvl(to_char(prior empno), 'None')||
  2           ' whose name is '||nvl(prior ename, 'NONE') Hierarchy
  3  FROM emp
  4  START WITH ENAME = 'KING'
  5  CONNECT BY PRIOR EMPNO = MGR
  6  /
HIERARCHY
7839 whos is KING       works for None whose name is NONE
7698 whos is BLAKE      works for 7839 whose name is KING
7654 whos is MARTIN     works for 7698 whose name is BLAKE
7499 whos is ALLEN      works for 7698 whose name is BLAKE
7844 whos is TURNER     works for 7698 whose name is BLAKE
7900 whos is JAMES      works for 7698 whose name is BLAKE
7521 whos is WARD       works for 7698 whose name is BLAKE
7782 whos is CLARK      works for 7839 whose name is KING
7934 whos is MILLER     works for 7782 whose name is CLARK
7566 whos is JONES      works for 7839 whose name is KING
7902 whos is FORD       works for 7566 whose name is JONES
7369 whos is SMITH      works for 7902 whose name is FORD
7788 whos is SCOTT      works for 7566 whose name is JONES
7876 whos is ADAMS      works for 7788 whose name is SCOTT
9999 whos is ADAMS      works for 7788 whose name is SCOTT
8888 whos is KING       works for None whose name is NONE
16 rows selected.
SQL>By the way, I'm sure you are from AP, are you from Hyd? Don't spam the forum, but you can answer me in any other thread or by saying thanks. ;-)
Cheers
Sarma.