Pour connaitre les paramètres NLS de votre base Oracle, tapez sous SQLPLUS :
select * from NLS_DATABASE_PARAMETERS ;
SQL> select * from NLS_DATABASE_PARAMETERS ;
PARAMETER VALUE ------------------------------ ---------------------------------------- NLS_LANGUAGE FRENCH NLS_TERRITORY FRANCE NLS_CURRENCY ? NLS_ISO_CURRENCY FRANCE NLS_NUMERIC_CHARACTERS , NLS_CHARACTERSET WE8ISO8859P1 NLS_CALENDAR GREGORIAN NLS_DATE_FORMAT DD/MM/RR NLS_DATE_LANGUAGE FRENCH NLS_SORT FRENCH NLS_TIME_FORMAT HH24:MI:SSXFF