V$PWFILE_USERS 列出的详解是password文件里已授予sysdba、sysoper权限的图及用户,服务器租用如果查询没有记录,区别那就有可能没有了password文件了,详解没有了密码文件当然sqlplus sys/xx as sysdba这种用sys用sysdba用户就无法登录了。图及下面介绍一下11g和12c的源码库区别v$pwfile_user视图。
一、详解v$pwfile_user表(11g)
V$PWFILE_USERS lists all users in the password file,图及 and indicates whether the user has been granted the SYSDBA, SYSOPER, and SYSASM privileges.二、 v$pwfile_user表(12c)
V$PWFILE_USERS lists all users in the password file,区别 and indicates whether the user has been granted the SYSDBA, SYSOPER, SYSASM,SYSBACKUP, SYSDG, and SYSKM privileges.