oracle编码格式从utf-8转换为GBK

SQL> shutdown immediate
SQL> startup mount
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
SQL> alter database open;
SQL> alter database character set INTERNAL_USE UTF8;-----修改字符集为UTF8
SQL> shutdown immediate
SQL> startup
SQL> exit

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 alter system disable restricted session; 

oracle编码格式从utf-8转换为GBK

http://www.cnblogs.com/qima/archive/2012/09/03/2669166.html

查看编码格式：

select userenv('language') from dual;
select * from nls_database_parameters

如何让oracle 处于RESTRICTED模式

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