v$pwfile_user表

SQL> select * from v$pwfile_users;
select * from v$pwfile_users;

USERNAME SYSDB SYSOP SYSAS
------------------------------ ----- ----- -----
SYS TRUE TRUE FALSE

SQL>

但是，在12c中，又发生了变化：

V$PWFILE_USERS lists all users in the password file, and indicates whether the user has been granted the SYSDBA, SYSOPER, SYSASM,SYSBACKUP, SYSDG, and SYSKM privileges.

Column	Datatype	Description
USERNAME	VARCHAR2(30)	Name of the user that is contained in the password file
SYSDBA	VARCHAR2(5)	Indicates whether the user can connect with SYSDBA privileges (TRUE) or not (FALSE)
SYSOPER	VARCHAR2(5)	Indicates whether the user can connect with SYSOPER privileges (TRUE) or not (FALSE)
SYSASM	VARCHAR2(5)	Indicates whether the user can connect with SYSASM privileges (TRUE) or not (FALSE)
SYSBACKUP	VARCHAR2(5)	Indicates whether the user can connect with SYSBACKUP privileges (TRUE) or not (FALSE)
SYSDG	VARCHAR2(5)	Indicates whether the user can connect with SYSDG privileges (TRUE) or not (FALSE)
SYSKM	VARCHAR2(5)	Indicates whether the user can connect with SYSKM privileges (TRUE) or not (FALSE)
CON_ID	NUMBER	The ID of the container to which the data pertains. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data