萬盛學電腦網

 萬盛學電腦網 >> 數據庫 >> oracle教程 >> oracle修改用戶登錄密碼

oracle修改用戶登錄密碼

  1、使用oracle用戶登錄,連接數據庫

  [oracle@wuzj ~]$ sqlplus /nolog

  SQL*Plus: Release 10.2.0.1.0 - Production on Thu Feb 26 12:06:29 2009

  Copyright (c) 1982, 2005, Oracle. All rights reserved.

  SQL> conn /as sysdba

  Connected.

  //查看用戶

  SQL> select username,password from dba_users;

  USERNAME PASSWORD

  ------------------------------ ------------------------------

  USER1 BBE7786A584F9103

  MGMT_VIEW 4F538DF5F344F348

  SYS 8A8F025737A9097A

  SYSTEM 970BAA5B81930A40

  DBSNMP FFF45BB2C0C327EC

  SYSMAN 2CA614501F09FCCC

  OUTLN 4A3BA55E08595C81

  MDSYS 72979A94BAD2AF80

  ORDSYS 7EFA02EC7EA6B86F

  EXFSYS 66F4EF5650C20355

  DMSYS BFBA5A553FD9E28A

  USERNAME PASSWORD

  ------------------------------ ------------------------------

  WMSYS 7C9BA362F8314299

  CTXSYS 71E687F036AD56E5

  ANONYMOUS anonymous

  XDB 88D8364765FCE6AF

  ORDPLUGINS 88A2B2C183431F00

  SI_INFORMTN_SCHEMA 84B8CBCA4D477FA3

  OLAPSYS 3FB8EF9DB538647C

  SCOTT F894844C34402B67

  TSMSYS 3DF26A8B17D0F29F

  BI FA1D2B85B70213F3

  PM 72E382A52E89575A

  USERNAME PASSWORD

  ------------------------------ ------------------------------

  MDDATA DF02A496267DEE66

  IX 2BE6F80744E08FEB

  SH 9793B3777CD3BD1A

  DIP CE4A36B8E06CA59C

  OE 9C30855E7E0CB02D

  HR 6399F3B38EDF3288

  28 rows selected.

  //修改用戶口令 格式 alter user 用戶名 identified by 新密碼;

  SQL> alter user system identified by manager;

  User altered.

  //再次查看,對比發現密碼已經更換

  SQL> select username,password from dba_users;

  USERNAME PASSWORD

  ------------------------------ ------------------------------

  USER1 BBE7786A584F9103

  MGMT_VIEW 4F538DF5F344F348

  SYS 8A8F025737A9097A

  SYSTEM D4DF7931AB130E37

  DBSNMP FFF45BB2C0C327EC

  SYSMAN 2CA614501F09FCCC

  OUTLN 4A3BA55E08595C81

  MDSYS 72979A94BAD2AF80

  ORDSYS 7EFA02EC7EA6B86F

  EXFSYS 66F4EF5650C20355

  DMSYS BFBA5A553FD9E28A

  USERNAME PASSWORD

  ------------------------------ ------------------------------

  WMSYS 7C9BA362F8314299

  CTXSYS 71E687F036AD56E5

  ANONYMOUS anonymous

  XDB 88D8364765FCE6AF

  ORDPLUGINS 88A2B2C183431F00

  SI_INFORMTN_SCHEMA 84B8CBCA4D477FA3

  OLAPSYS 3FB8EF9DB538647C

  SCOTT F894844C34402B67

  TSMSYS 3DF26A8B17D0F29F

  BI FA1D2B85B70213F3

  PM 72E382A52E89575A

  USERNAME PASSWORD

  ------------------------------ ------------------------------

  MDDATA DF02A496267DEE66

  IX 2BE6F80744E08FEB

  SH 9793B3777CD3BD1A

  DIP CE4A36B8E06CA59C

  OE 9C30855E7E0CB02D

  HR 6399F3B38EDF3288

  28 rows selected.

  SQL>

  //現在就可以用此密碼鏈接進行操作了

  SQL> connect system/manager

  已連接。

  ==========================

  另一種修改值的辦法

  SQL> alter user system identified by values '2D594E86F93B17A1';

  用戶已更改。

  //在試試這個密碼

  SQL> connect system/oracle

  已連接。

  //這個密碼就不靈了

  SQL> connect system/manager

  ERROR:

  ORA-01017: invalid username/password; logon denied

copyright © 萬盛學電腦網 all rights reserved