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博客园 - xyublog

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强行更改oracle字符集
xyublog · 2004-11-27 · via 博客园 - xyublog

1、检查服务器上Oracle数据库的字符集

SQL> conn sys/change_on_install
连接成功.

SQL> desc props$
 列名                          可空值否   类型
 ------------------------------- -------- ----
 NAME                            NOT NULL VARCHAR2(30)
 VALUE$                                   VARCHAR2(2000)
 COMMENT$                                 VARCHAR2(2000)

SQL> col value$ format a40
SQL> select name,value$ from props$;

NAME                           VALUE$
------------------------------ -------------------------
DICT.BASE                      2
NLS_LANGUAGE                   AMERICAN
NLS_TERRITORY                  AMERICA
NLS_CURRENCY                   $
NLS_ISO_CURRENCY               AMERICA
NLS_NUMERIC_CHARACTERS         .,
NLS_DATE_FORMAT                DD-MON-YY
NLS_DATE_LANGUAGE              AMERICAN
NLS_CHARACTERSET               ZHS16GBK
NLS_SORT                       BINARY
NLS_CALENDAR                   GREGORIAN
NLS_RDBMS_VERSION              7.3.4.0.0
GLOBAL_DB_NAME                 ORACLE.WORLD
EXPORT_VIEWS_VERSION           3

查询到14记录.

NLS_CHARACTERSET这个参数应该是ZHS16GBK,如不是,改为它。

SQL*Plus中修改方法:
SQL> update props$ set value$='新字符集' where name='NLS_CHARACTERSET';

操作系统中修改方法:
connect internal
alter database ORCL character set ZHS16GBK;
alter database ORCL national character set ZHS16GBK;


2、检查操作系统级Oracle汉字显示的字符集

运行regedit,定位到:
HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE

找到以下字符串
NLS_LANG

检查是否以下内容,如不是,改之
SIMPLIFIED CHINESE_CHINA.ZHS16GBK