Place the decimal point in a number

We use the Oracle 10 g on Linux:

I have an obligation to show the decimal point a number based on certain opinions. By example, if I give myself the number = 12345 and decimal_place = 2, then the output should be 123.45. To meet this requirement, I wrote the code which works great but very slow because it is running in insert statement for each row.

code
define value=45896;
define dec=1;
select substr(&value,1,length(&value)-&dec) || '.' || substr(&value,length(&value)-&dec+1) x from dual
output
4589.6
I can it adjust more?
select to_char(&valu / power(10,&deci ),'FM999999D'||rpad('0',&deci,'0'),'nls_numeric_characters = ''. '' ') from dual;

Yet a funny when your deci number a value such as zero

Tags: Database

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    *

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