Which two statements are true about User Authentication in an Oracle Database?
A.Password File authentication is supported for any type of database user B.Operating System authentication may be used for system-privileged administrative users C.Password authentication must be used for system-privileged administrative users D.Password File authentication must be used for system-privileged administrative users E.REMOTE LOGIN PASSWORDPILE must be set to exclusive to permit password changes for正确答案BE
System privileged administrative users
