Problem in Getting count

Question

Hi All,
ill be giving a string for my query in the runtime and also ill number the each and every letter in the string according to its position in the string. I need to calculate the count of the letter in the "string".
All izz Well
GTA

Answer 1

You mean something like...
SQL> ed
Wrote file afiedt.buf
  1  with t as (select 'aharry' as txt from dual)
  2  --
  3  -- end of test data
  4  --
  5      ,c as (select rownum rn, substr(txt,rownum,1) as ch
  6             from   t
  7             connect by rownum <= length(txt))
  8  --
  9  select rn, ch, count(*) over (partition by ch) as cnt
10  from c
11* order by rn
SQL> /
        RN C        CNT
         1 a          2
         2 h          1
         3 a          2
         4 r          2
         5 r          2
         6 y          1
6 rows selected.