Write a query to display the count of individual characters in a given string. e.g if the given string is "mesopotamia" , the output should be :
m 2
e 1
i 1
s 1
o 2
p 1
t 1
a 2
Solution:
select ind, count(ind)
from
(
select substr(given_string,rownum,1) ind
from
(
select 'mesopotamia' given_string from all_objects
)
where
rownum<=length(given_string)
)
group by ind
oem cpu jul 23
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