oracle@ywdb ~]$ sqlplus /as sysdba SQL*Plus: Release 11.1.0.7.0 - Production on Tue Apr 29 15:40:38 2014 Copyright (c) 1982, 2008, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit
oracle@ywdb ~]$ sqlplus "/as sysdba"
SQL*Plus: Release 11.1.0.7.0 - Production on Tue Apr 29 15:40:38 2014
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> alter user sys identified by oracle
2 ;
User altered.
SQL> alter user sys identified by oracle;
User altered.
SQL> alter user sys identified by manager;
User altered.
SQL> grant sysdba to system;
grant sysdba to system
*
ERROR at line 1:
ORA-01994: GRANT failed: password file missing or disabled
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
You have new mail in /var/spool/mail/oracle
[oracle@ywdb ~]$ orapwd file=$ORACLE_HOME/dbs/orapw$ORACLE_SID password='manager' entries=10
[oracle@ywdb ~]$ sqlplus "/as sysdba"
SQL*Plus: Release 11.1.0.7.0 - Production on Tue Apr 29 15:49:03 2014
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> grant sysdba to system;
Grant succeeded.
SQL>
system用户没有dba权限的。
但是想授予他权限的话，
那么必须添加一个密码文件。
然后才能授予。
