ORALCE字符集基础内容

1.查看服务器字符集

  select * from nls_database_parameters

  select * from nls_database_parameters where parameter like '%SET%';

  select userenv('language') from dual;

2.查看客户端字符集

  select * from nls_instance_parameters

3.修改字符集1

  shutdown immediate;

   

  startup mount exclusive;

  alter system enable restricted session;

  alter system set job_queue_processes=0;

  alter system set aq_tm_processes=0;

  alter database open;

  alter database national character set internal_use UTF8;

  

  shutdown immediate;

  startup;

4.修改字符集2

  shutdown immediate;

  startup mount exclusive;

  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 WE8ISO8859P1;

  shutdown immediate;

  startup;

注册表字符集

SIMPLIFIED CHINESE_CHINA.ZHS16GBK

AMERICAN_AMERICA.US7ASCII

字符集：

中文：zhs16gbk

英文：US7ASCII