oracle话语略记

oracle语句略记
客户端环境变量设置:
NLS_LANG    SIMPLIFIED CHINESE_CHINA.AL32UTF8 (环境变量)
查看服务器端oracle编码:
select * from v$nls_parameters;

改变oracle 服务器端的字符集编码
select * from PROPS$ WHERE NAME='NLS_CHARACTERSET';
UPDATE PROPS$ SET VALUE$='US7ASCII' WHERE NAME='NLS_CHARACTERSET';
commit;
   ---oracle10g安装好后默认是:ZHS16GBK