oracle编码转换：AL32UTF8->ZHS16GBK

--修改Oracle数据库字符集为utf-8:  

SQL>conn / as sysdba;  

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; --zhs16gbk  

SQL>shutdown immediate;  

SQL>startup;

　　

直接复制

--修改Oracle数据库字符集为utf-8:  

conn / as sysdba;  

shutdown immediate;  

startup mount;  

alter system enable restricted session;  

alter system set job_queue_processes=0;  

alter system set aq_tm_processes=0;  

alter database open;  

alter database character set internal_use utf8; --zhs16gbk  

shutdown immediate;  

startup;