sqlplus / as sysdba下中文乱码问题

export NLS_LANG=american_america.AL32UTF8

export LANG=en_US.UTF-8

set NLS_LANG=american_america.AL32UTF8

set LANG=en_US.UTF-8

select userenv('language') from dual;可以查出数据库的字符集

select * from nls_database_parameters where parameter LIKE '%CHARACTERSET%';