oracle 可否用unicode方式存字符

Question

如何查看数据库的字符集？  
软件环境： 
1、Windows NT4.0+ORACLE 8.0.4
2、ORACLE安装路径为：C:\ORANT实现方法： 
SQL> conn sys/change_on_install
SQL> desc props$
SQL> set arraysize 1
SQL> col value$ format a40 --格式化value$的输出为40个字符宽
SQL> select name,value$ from props$ where name='NLS_CHARACTERSET'; SQL> conn system/manager
SQL> select * from nls_database_parameters;
SQL> select * from V$NLS_PARAMETERS;SQL> select * from nls_database_parameters;PARAMETER                                VALUE
---------------------------------------- -------------------
NLS_LANGUAGE                             AMERICAN
NLS_TERRITORY                            AMERICA
NLS_CURRENCY                             $
NLS_ISO_CURRENCY                         AMERICA
NLS_NUMERIC_CHARACTERS                   .,
NLS_CALENDAR                             GREGORIAN
NLS_DATE_FORMAT                          DD-MON-YY
NLS_DATE_LANGUAGE                        AMERICAN
NLS_CHARACTERSET                         ZHS16GBK
NLS_SORT                                 BINARY
NLS_NCHAR_CHARACTERSET                   ZHS16GBK
NLS_RDBMS_VERSION                        8.0.4.0.0查询到12记录.SQL> select * from V$NLS_PARAMETERS;PARAMETER                                VALUE
---------------------------------------- -------------------
NLS_LANGUAGE                             SIMPLIFIED CHINESE
NLS_TERRITORY                            CHINA
NLS_CURRENCY                             RMB
NLS_ISO_CURRENCY                         CHINA
NLS_NUMERIC_CHARACTERS                   .,
NLS_CALENDAR                             GREGORIAN
NLS_DATE_FORMAT                          DD-MON-YY
NLS_DATE_LANGUAGE                        SIMPLIFIED CHINESE
NLS_CHARACTERSET                         ZHS16GBK
NLS_SORT                                 BINARY
NLS_NCHAR_CHARACTERSET                   ZHS16GBK查询到11记录.
 
一般来说中文字符都是用UNICODE来存储的