SQL & PL/SQL

Hi everyone,

I have a small question, hoping that someone can help me. As you will see, this
is not very important. It's just me wondering if I can learn something in SQL.

Let's suppose I have an ORGANIZATIONS table:

CREATE TABLE ORGANIZATIONS (
  ID_ORGANISATION NUMBER(10) PRIMARY KEY, 
  NAME VARCHAR2(255) NOT NULL, 
  ID_PARENT_ORGANIZATION NUMBER(10)
);

INSERT INTO ORGANIZATIONS(1, 'Parent of all', null);
INSERT INTO ORGANIZATIONS(11, 'Child 11', 1);
INSERT INTO ORGANIZATIONS(111, 'Child 111', 11);
INSERT INTO ORGANIZATIONS(112, 'Child 112', 12);
INSERT INTO ORGANIZATIONS(12, 'Child 12', 1);
INSERT INTO ORGANIZATIONS(121, 'Child 121', 12);

Let's also assume that we can have an undefined number of levels.

Now, my question:
With a query like

SELECT LPAD(' ', LEVEL) || NAME  as conc
  FROM ORGANIZATIONS 
 START WITH ID_ORGANIZATION = 1
CONNECT BY PRIOR ID_ORGANISATION = ID_PARENT_ORGANIZATION
..

I have a result like

 [conc]
 "Parent of all" 
   "Child 11" 
     "Child 111"
     "Child 112"
   "Child 12" 
   ...

All in one columns.

What I'd like is a result like this one:

[LEVEL_1]         [LEVEL_2]      [LEVEL_3] 
"Parent of all" 
                  "Child 11" 
                                 "Child 111"
                                 "Child 112"
                  "Child 12" 
                                 "Child 121"

I'd like to have this structure for the 5 first levels. Do you think this is possible or not?

Thanks for your advice,