查看某些数据库服务器和客户端的前端字符集是不同的: 复制代码代码如下所示: SELECT * FROM nls_database_parameters; SELECT * FROM nls_instance_parameters; SELECT * FROM V T在nls_parameters美元t.parameter = 'nls_language'or t.parameter = 'nls_characterset; SELECT * FROM nls_session_parameters;