Get error in date when I load a CSV file

Question

I am using Oracle G10 XE and I am trying to load data into my database from comma separated files.
When I load the data from a CSV file which has the date with the following format "DD/MM/YYYY", I received the following error "ORA-01843: not a valid month".
I have the NSL_LANG set to AMERICAN. I have tried the following command: "ALTER SESSION SET NLS DATE FORMAT="DD/MM/YYYY" and this does nothing. When I try to run "SELECT SYSDATE "NOW" FROM DUAL;" I get the date in this format "10-NOV-06".
I will appreciate any help about migrating my data with date fields in format DD//MM/YYYY.
Sincerely,
Polonio

Answer 1

See this example :
[oracle work XE]$ cat test.dat
1,11/10/2006
2,01/11/2006
3,06/11/2006
[oracle work XE]$ cat test.ctl
load data
infile 'test.dat'
replace
into table test
fields terminated by ','
trailing nullcols
a integer external,
b "to_date(:b,'dd/mm/yyyy')"
[oracle work XE]$ sqlldr test/test control=test.ctl
SQL*Loader: Release 10.2.0.1.0 - Production on Fri Nov 10 21:38:19 2006
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Commit point reached - logical record count 3
[oracle work XE]$ sqlplus test/test
SQL*Plus: Release 10.2.0.1.0 - Production on Fri Nov 10 21:38:25 2006
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
TEST@XE SQL> desc test
Name                                                  Null?    Type
A                                                              NUMBER
B                                                              DATE
TEST@XE SQL> select * from test;
              A B
              1 11-OCT-06
              2 01-NOV-06
              3 06-NOV-06
TEST@XE SQL>