The NLS_ISO_CURRENCY option specifies the international currency symbol for the C number format element.
Within a session, you can dynamically modify the value of this option using the OLAP DML syntax show below or by using the SQL statement ALTER SESSION SET option = value.
Data Type
TEXT
Syntax
NLS_ISO_CURRENCY = option-value
Arguments
See Oracle Database SQL Language Reference for more information about NLS parameters, including valid values.