查看/修改oracle字符集

查看当前字符集：

select userenv('language') from dual;

修改oracle字符集：

connect system/oracle10g 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 zhs16gbk;
shutdown immediate;
startup;

据说一般zhs16gbk比较好。