--查询字符集
select * from nls_database_parameters where parameter='NLS_CHARACTERSET';
--linux客户端
env|grep NLS_LANG
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
--windows客户端
echo %NLS_LANG%
set NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
--查询字符集
select * from nls_database_parameters where parameter='NLS_CHARACTERSET';
--linux客户端
env|grep NLS_LANG
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
--windows客户端
echo %NLS_LANG%
set NLS_LANG=AMERICAN_AMERICA.ZHS16GBK