Regardding SQL Analytical Functions

Question

Hi ,
I have a table test with the data as follows:
Sample Data:
s1 s2
=========================================
10 aaa,bbb
20 ccc,ddd
I would like to display the output as:
s1 s2
==========================
10 aaa
10 bbb
20 ccc
20 ddd
Thanks in Advance,
Vamsi

Answer 1

SQL> with t
  2    as (select 1 no,'A,A,A,B' str from dual
  3         union all
  4        select 2 no,'A,B,C' str from dual
  5         union all
  6        select 3 no,'A,A,A,A,A,A,A,A' str from dual)
  7  select no,regexp_substr(str,'[^,]+', 1, rno) list
  8       from t, (select rownum rno
  9                  from (select max(NVL( LENGTH( REGEXP_REPLACE( str, '[^,]+', NULL ) ), 0 )) len
10                          from t)
11               connect by level <= len+1) l
12      where regexp_substr(str,'[^,]+', 1, rno) is not null
13  order by no, rno
14  /
        NO LIST
         1 A
         1 A
         1 A
         1 B
         2 A
         2 B
         2 C
         3 A
         3 A
         3 A
         3 A
        NO LIST
         3 A
         3 A
         3 A
         3 A
15 rows selected.