set timing on
set serverout on size 1000000
set define off
set serveroutput on
set lines 9999
set pages 9999
set pagesize 9999
set linesize 9999
col refdoss format a15
column montant format 9999.999
alter session set NLS_DATE_FORMAT='yyyy/mm/dd hh24:mi:ss';spool on, spool offdesc tabledesc columns