[oracle@dbserver ~]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.4.0 Production on Sun May 8 17:50:43 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
SQL> conn / as sysdba
Connected.
SQL> select to_char(15000,'L99,999.00') from dual;
TO_CHAR(15000,'L99,9
--------------------
¥15,000.00
SQL> show parameter nls_
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
nls_currency string ¥
nls_date_language string AMERICAN
nls_dual_currency string ¥
nls_iso_currency string CHINA
nls_language string AMERICAN