The Oracle server’s NLS_LANG

The Oracle server’s NLS_LANG setting can be found out as follows:

Fire the following query to get the full set of NLS settings of the database: SELECT * FROM NLS_DATABASE_PARAMETERS;
The NLS_LANG parameter is <language>_<territory>. <Characterset>
NLS_LANG=<NLS_LANGUAGE>_<NLS_TERRITORY>.<NLS_CHARACTERSET>

SELECT * FROM NLS_DATABASE_PARAMETERS;

select NLS_LANGUAGE.VALUE || '_' || NLS_TERRITORY.value || '.' || NLS_CHARACTERSET.value NLS_LANG
from
(SELECT t.value FROM NLS_DATABASE_PARAMETERS t where t.parameter='NLS_LANGUAGE') NLS_LANGUAGE,
(SELECT t.value FROM NLS_DATABASE_PARAMETERS t where t.parameter='NLS_TERRITORY') NLS_TERRITORY,
(SELECT t.value FROM NLS_DATABASE_PARAMETERS t where t.parameter='NLS_CHARACTERSET') NLS_CHARACTERSET