Sort tokens in a string

Question

Hello,
I have a table
SQL> SELECT name FROM employee
NAME
KUMAR AJAY
MANOJ KUMAR AGRAWAL
KUSH KRANTI AMOL
SHETTY PRIYA RAVIPlease let me know how can I get the individual names rearranged in an alphabetical order like:
SQL> SELECT sorted_name FROM employee
SORTED_NAME
AJAY KUMAR
AGRAWAL KUMAR MANOJ
AMOL KRANTI KUSH
PRIYA RAVI SHETTYEdited by: 944558 on 16 Jan, 2013 3:35 AM

Answer 1

May be
with employee
as
select 'KUMAR AJAY' name from dual
union all
select 'MANOJ KUMAR AGRAWAL' name from dual
union all
select 'KUSH KRANTI AMOL ' name from dual
union all
select 'SHETTY PRIYA RAVI' name from dual
select ltrim(sys_connect_by_path(name_token, ' '), ' ') new_name
  from (
          select rno, row_number() over(partition by rno order by name_token) token_no, name_token
            from (
                    select rno, regexp_substr(name, '[^ ]+', 1, no) name_token
                      from (
                              select rownum rno, name
                                from employee
                     cross      
                      join (
                              select level no
                                from dual
                             connect
                                  by level <= (
                                                select max(length(name) - length(replace(name, ' ')) + 1)
                                                  from employee
                     where regexp_substr(name, '[^ ]+', 1, no) is not null 
where connect_by_isleaf = 1      
start
with token_no = 1
connect
   by rno = prior rno
  and token_no = prior token_no + 1;
NAME                NEW_NAME          
KUMAR AJAY          AJAY KUMAR          
MANOJ KUMAR AGRAWAL AGRAWAL KUMAR MANOJ 
KUSH KRANTI AMOL    AMOL KRANTI KUSH    
SHETTY PRIYA RAVI   PRIYA RAVI SHETTY