1）REMOTE_LOGIN_PASSWORDFILE=none且SQLNET.AUTHENTICATION_SERVICES= none： sql
oracle安装用户本地sqlplus “/ as sysdba”没法登陆 oracle
非oracle安装用户本机sqlplus “sys/change_on_install as sysdba”没法登陆 ide
非oracle安装用户远程sqlplus “/ as sysdba_on_install@sid as sysdba”没法登陆 spa
（2）REMOTE_LOGIN_PASSWORDFILE=exclusive且SQLNET.AUTHENTICATION_SERVICES= none： it
oracle安装用户本地sqlplus “/ as sysdba”没法登陆 class
非oracle安装用户本机sqlplus “sys/change_on_install as sysdba”能登陆 登录
非oracle安装用户远程sqlplus “/ as sysdba_on_install@sid as sysdba”能登陆 margin
（3）REMOTE_LOGIN_PASSWORDFILE=none且SQLNET.AUTHENTICATION_SERVICES= (NTS)： top
oracle安装用户本地sqlplus “/ as sysdba”能登陆 db
非oracle安装用户本机sqlplus “sys/change_on_install as sysdba”没法登陆
非oracle安装用户远程sqlplus “/ as sysdba_on_install@sid as sysdba”没法登陆
（4）REMOTE_LOGIN_PASSWORDFILE=exclusive且SQLNET.AUTHENTICATION_SERVICES= (NTS)：
oracle安装用户本地sqlplus “/ as sysdba”能登陆
非oracle安装用户本机sqlplus “sys/change_on_install as sysdba”能登陆
非oracle安装用户远程sqlplus “/ as sysdba_on_install@sid as sysdba”能登陆