1.查询Oracle服务端字符集
SQL> select userenv(‘language‘) from dual ; USERENV(‘LANGUAGE‘) -------------------------------------------------------------------------------- AMERICAN_AMERICA.AL32UTF8
2.设置Oracle客户端字符集
export NLS_LANG=AMERICAN_AMERICA.UTF8
3.设置操作系统字符集
vi /etc/sysconfig/i18n LANG="zh_CN.UTF-8" source /etc/sysconfi/i18n
原文：https://www.cnblogs.com/xyz0601/p/11091289.html