Oracle密码文件的作用和说明

核心提示： 此处实际上是无法通过口令文件验证2.remote_login_passwordfile = exclusiveSQL> alter system set remote_login_passwordfile=exclusive scope=spfile;System altered.S

此处实际上是无法通过口令文件验证

2.remote_login_passwordfile = exclusive

SQL> alter system set remote_login_passwordfile=exclusive scope=spfile;
System altered.
SQL> startup force;
ORACLE instance started.
Total System Global Area 131142648 bytes
Fixed Size 451576 bytes
Variable Size 104857600 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
Database mounted.
Database opened.
SQL> show parameter pass
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
remote_login_passwordfile string EXCLUSIVE
SQL> alter user sys identified by oracle;
User altered.
remote:
E:Oracleora92in>sqlplus /nologSQL*Plus: Release 9.2.0.4.0 -
Production on 星期四 4月 15 09:47:11 2004Copyright (c) 1982, 2002, Oracle
Corporation. All rights reserved.SQL> connect sys/oracle@hsjf as
sysdba已连接。SQL> show userUSER 为"SYS"SQL>

这实际上就是通过口令文件验证登录的

3.进一步测试

如果此时我们删除passwdfile,sysdba/sysoper将无法认证，也就无法登陆数据库

Server:
SQL> !
[oracle@jumper oracle]$ cd $ORACLE_HOME/dbs
[oracle@jumper dbs]$ ls orapwhsjf
orapwhsjf
[oracle@jumper dbs]$ mv orapwhsjf orapwhsjf.bak
[oracle@jumper dbs]$
Remote:
E:Oracleora92in>sqlplus /nolog
SQL*Plus: Release 9.2.0.4.0 - Production on 星期四 4月 15 09:50:14 2004
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> connect sys/oracle@hsjf as sysdba
ERROR:
ORA-01031: insufficient privileges
SQL>