TO_CHAR FUNCTION IN ORACLE FORM

HI,
Table called A has column name col1
col1
12563.563
52685.563
05263.540
I would like to use SUBSTR(col1,2,6) for insert values from A table to B table by Oracle form and following values are inserted in B table
2563.5
2685.5
263.4
If I use SQLPLUS it is inserting as my requirement like
2563.5
2685.5
5263.4
Third row should be 5263.5 instead of 263.4. In Oracle form may have internal coversion function to convert character value to number values, I do not want to convert the value to number. Both table columns are varchar2 column.
What is the equal to_char function in Oracle form. If it is NLS_NUMERIC_CHARACTERS, please what are the parameters to be passed along with column.
Thanks in advance
Saravanan.

Hello,
If you don't want to take account any calculation on the decimal part, you could consider the Trunc() function instead of the To_Char():
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
SQL> select to_char(52685.563,'00000000.0'), trunc(52685.563,1) from dual
2 /
TO_CHAR(526 TRUNC(52685.563,1)
00052685.6 52685.5
SQL> Francois

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