unwanted leading blank space on oracle number format

Question

I need to pad numbers with leading zeros (total 8 digits) for display. I\'m using oracle.

select to_char(1011,\'00000000\') OPE_NO from dual;
select length(t         


        

Answer 1

Use FM (Fill Mode), e.g.

select to_char(1011,'FM00000000') OPE_NO from dual;