Can anyone explain what the difference between NLS_CHARACTERSET and NLS_NCHAR_CHARACTERSET is? What char set is the DB using... AL32UTF8 or AL16UTF16?

Thanks.
-mcslain

select parameter, value from nls_database_parameters where parameter like '%CHARACTERSET';

NLS_CHARACTERSET AL32UTF8
NLS_NCHAR_CHARACTERSET AL16UTF16