修改Oracle编码

sqlplus / as sysdba;

select userenv('language') from dual;

shutdown IMMEDIATE;

STARTUP MOUNT;

ALTER SYSTEM enable RESTRICTED SESSION;

ALTER system set job_queue_processes=0;

alter DATABASE open;

alter database character set internal_use AL32UTF8;

shutdown immediate;

startup;

alter system disable RESTRICTED SESSION;

select userenv('language') from dual;