Oracle 11G修改字符集

1、查询当前数据库字符集
select userenv(‘language’) from dual;

2、修改数据库字符集
shut 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;
shut immediate
startup

3、查询修改后的数据库字符集
select userenv(‘language’) from dual;

4、参数改回默认值
alter system set job_queue_processes=132;
alter system set aq_tm_processes=1;