oracle 字符集转换

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

Total System Global Area 167772160 bytes
Fixed Size                  1218316 bytes
Variable Size              96471284 bytes
Database Buffers           67108864 bytes
Redo Buffers                2973696 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 session set events '10046 trace name context forever,level 12';

Session altered.

SQL> select userenv('language') from dual;

USERENV('LANGUAGE')
--------------------------------------------------------------------------------
AMERICAN_AMERICA.WE8ISO8859P1

SQL> alter database character set INTERNAL_USE ZHS16CGB231280;

Database altered.

SQL> select userenv('language') from dual;

USERENV('LANGUAGE')
--------------------------------------------------------------------------------
AMERICAN_AMERICA.ZHS16CGB231280

SQL>

refer to：http://edu.yesky.com/edupxpt/185/2143685.shtml

http://blog.sina.com.cn/s/blog_4d22b9720100bhmz.html