轉：http://www.cnblogs.com/jay-xu33/p/5210098.html

oracle11g 修改字符集 修改為ZHS16GBK
1.cmd下,cd到oracle數據庫軟件的服務器端 如：D:\app\Administrator\product\11.2.0\dbhome_1\BIN

2.輸入set ORACLE_SID=你想進入的數據庫的那個sid

3.輸入 sqlplus /nolog

4.將數據庫啟動到RESTRICTED模式下做字符集更改：

SQL> conn /as sysdba

Connected.

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup mount

ORACLE instance started.

Total System Global Area 236000356 bytes

Fixed Size 451684 bytes

Variable Size 201326592 bytes

Database Buffers 33554432 bytes

Redo Buffers 667648 bytes

Database mounted.

?

SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;

System altered.

SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;

System altered.

SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;

System altered.

SQL> alter database open;

Database altered.

SQL> ALTER DATABASE CHARACTER SET ZHS16GBK;

ALTER DATABASE CHARACTER SET ZHS16GBK

*

ERROR at line 1:

ORA-12712: new character set must be a superset of old character set

?

提示我們的字符集：新字符集必須為舊字符集的超集，這時我們可以跳過超集的檢查做更改：

SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;

Database altered.

SQL> select * from v$nls_parameters;

略

19 rows selected.

重啟檢查是否更改完成：

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup

ORACLE instance started.

Total System Global Area 236000356 bytes

Fixed Size 451684 bytes

Variable Size 201326592 bytes

Database Buffers 33554432 bytes

Redo Buffers 667648 bytes

Database mounted.

Database opened.

SQL> select * from v$nls_parameters;

?

轉載于:https://www.cnblogs.com/maweiwei/p/7612814.html

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