How to insert decimal point while selecting data from a table

Question

Hi All ,
My select requirement says , If the value received with no decimal then insert decimal before last 2 bytes. I need to retrieve data with this condition.
May you people help how i can achieve this?
Thanks in advance,
Sachetan

Answer 1

Is the data a number in string format?
with q as (select '12345' myNum from dual
union all select '45.78' from dual)
select case when instr(myNum, '.') > 0 then to_number(myNum) else
       to_number(substr(myNum, 1, length(myNum) - 2) || '.' ||
                substr(myNum, length(myNum) - 1)) end newNum from q
NEWNUM
123.45
45.78If not just use
with q as (select 12345 myNum from dual
union all select 45.78 from dual)
select case
when instr(myNum,'.')>0 then myNum
else myNum/100
end myNum
from q
MYNUM
123.45
45.78