oracle 修改字符集

直接上命令：

Microsoft Windows [版本 6.1.7601]
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C:\Users\Administrator>sqlplus /nolog

SQL*Plus: Release 10.2.0.4.0 - Production on Wed Sep 5 08:43:33 2012

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

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 1610612736 bytes
Fixed Size                  2066080 bytes
Variable Size             402655584 bytes
Database Buffers         1191182336 bytes
Redo Buffers               14708736 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


SQL> alter database character set internal_use zhs16gbk;

Database altered.

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.

Total System Global Area 1610612736 bytes
Fixed Size                  2066080 bytes
Variable Size             402655584 bytes
Database Buffers         1191182336 bytes
Redo Buffers               14708736 bytes
Database mounted.
Database opened.
SQL>