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oracle11g單實例如何修改字符集

發(fā)布時間:2021-11-09 11:40:21 來源:億速云 閱讀:222 作者:小新 欄目:關(guān)系型數(shù)據(jù)庫

這篇文章將為大家詳細講解有關(guān)oracle11g單實例如何修改字符集,小編覺得挺實用的,因此分享給大家做個參考,希望大家閱讀完這篇文章后可以有所收獲。

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

關(guān)于“oracle11g單實例如何修改字符集”這篇文章就分享到這里了,希望以上內(nèi)容可以對大家有一定的幫助,使各位可以學到更多知識,如果覺得文章不錯,請把它分享出去讓更多的人看到。

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