oracle11g单实例如何修改字符集

这篇文章将为大家详细讲解有关oracle11g单实例如何修改字符集，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。

sql>conn / as sysdba


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


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------
NLS_CHARACTERSET
AL32UTF8




SQL> shu immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.


Total System Global Area 6.2934E+10 bytes
Fixed Size    2268712 bytes
Variable Size 6039798232 bytes
Database Buffers 5.6774E+10 bytes
Redo Buffers  118157312 bytes
Database mounted.
SQL> alter system enable restricted session;


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


Total System Global Area 6.2934E+10 bytes
Fixed Size    2268712 bytes
Variable Size 6039798232 bytes
Database Buffers 5.6774E+10 bytes
Redo Buffers  118157312 bytes
Database mounted.
Database opened.
SQL> select * from nls_database_parameters where parameter='NLS_CHARACTERSET';


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------
NLS_CHARACTERSET
ZHS16GBK

关于“oracle11g单实例如何修改字符集”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，使各位可以学到更多知识，如果觉得文章不错，请把它分享出去让更多的人看到。