Identificar o CharacterSet de um banco oracle

SQL> select value$ from sys.props$ where name='NLS_CHARACTERSET';

VALUE$
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SQL> select property_value from database_properties where property_name=
'NLS_CHARACTERSET';

PROPERTY_VALUE
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WE8MSWIN1252

SQL> select value from nls_database_parameters where parameter='NLS_CHARACTERSET';

VALUE
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WE8MSWIN1252