*****************************************************************
* 更改字符集步骤方法(WE8ISO8859P1 --> ZHS16GBK) *
*****************************************************************
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
--------------------------------------------------------------------------------
AMERICAN_AMERICA.WE8MSWIN1252
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.
Total System Global Area 845348864 bytes
Fixed Size 1339796 bytes
Variable Size 499125868 bytes
Database Buffers 339738624 bytes
Redo Buffers 5144576 bytes
Database mounted.
SQL> alter session set sql_trace=true;
Session altered.
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 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 845348864 bytes
Fixed Size 1339796 bytes
Variable Size 499125868 bytes
Database Buffers 339738624 bytes
Redo Buffers 5144576 bytes
Database mounted.
Database opened.
SQL> conn test/test
Connected.
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
----------------------------------------------------
AMERICAN_AMERICA.ZHS16GBK
SQL> select '你好' from dual;
'你
----
你好
