CREATE TABLE TMP_EMP
(
EMP_NO NUMBER,
EMP_NAME VARCHAR2(20),
DEPT_NAME VARCHAR2(20)
);
commit;

create or replace function con_dept(vEMP_NO in number)
Return varchar2
is
cursor cs is
select distinct e.DEPT_NAME
from tmp_emp e
where e.EMP_NO = vEMP_NO;

vDEPT varchar2(40);
vTMP_DEPT varchar2(20);

begin

vDEPT:= ”;

IF cs%ISOPEN THEN
CLOSE cs;
END IF;

open cs;
loop

fetch cs into vTMP_DEPT;
dbms_output.put_line(vTMP_DEPT);
exit when cs%notfound;
vDEPT:=vDEPT || ‘/’ || vTMP_DEPT;

end loop;
CLOSE cs;

vDEPT := substr(vDEPT,2,length(vDEPT));

return vDEPT;

end;

select distinct t.EMP_NO,t.EMP_NAME,con_dept(t.EMP_NO)
from tmp_emp t;

select eno, ename, stragg(dept) as dept
  from emp
  group by eno,ename
/

will give you what you want. Otherwise write your owne plsql function to do the concat.

HTH
Raj