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很久没有使用sqlplus创建表空间和用户了，需要的时候竟然忘记了密码，试了好多次都没连接上，进而用户也被锁定，在网上找了一些资料，问题解决了，希望对和我一样情况的朋友们有所帮助。
1.安装时选择的自动安装，忘了用户名和密码导致现在试了几个默认的用户名密码後（表格中附带默认用户名及密码），都提示无效的用户名、密码，
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Username
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Password
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Description
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See Also
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CTXSYS
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CTXSYS
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The Oracle Text account
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Oracle Text Reference
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DBSNMP
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DBSNMP
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The account used by the Management Agent component of Oracle Enterprise Manager to monitor and manage the database
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Oracle Enterprise Manager Grid Control Installation and Basic Configuration
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LBACSYS
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LBACSYS
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The Oracle Label Security administrator account
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Oracle Label Security Administrators Guide
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MDDATA
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MDDATA
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The schema used by Oracle Spatial for storing Geocoder and router data
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Oracle Spatial Users Guide and Reference
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MDSYS
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MDSYS
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The Oracle Spatial and Oracle interMedia Locator administrator account
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Oracle Spatial Users Guide and Reference
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DMSYS
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DMSYS
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The Oracle Data Mining account.
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Oracle Data Mining Administrators Guide
Oracle Data Mining Concepts
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OLAPSYS
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MANAGER
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The account used to create OLAP metadata structures. It owns the OLAP Catalog (CWMLite).
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Oracle OLAP Application Developers Guide
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ORDPLUGINS
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ORDPLUGINS
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The Oracle interMedia user. Plug-ins supplied by Oracle and third party format plug-ins are installed in this schema.
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Oracle interMedia Users Guide
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ORDSYS
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ORDSYS
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The Oracle interMedia administrator account
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Oracle interMedia Users Guide
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OUTLN
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OUTLN
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The account that supports plan stability. Plan stability enables you to maintain the same execution plans for the same SQL statements. OUTLN acts as a role to centrally manage metadata associated with stored outlines.
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Oracle Database Performance Tuning Guide
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SI_INFORMTN_SCHEMA
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SI_INFORMTN_SCHEMA
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The account that stores the information views for the SQL/MM Still Image Standard
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Oracle interMedia Users Guide
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SYS
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CHANGE_ON_INSTALL
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The account used to perform database administration tasks
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Oracle Database Administrators Guide
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SYSMAN
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CHANGE_ON_INSTALL
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The account used to perform Oracle Enterprise Manager database administration tasks. Note that SYS and SYSTEM can also perform these tasks.
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Oracle Enterprise Manager Grid Control Installation and Basic Configuration
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SYSTEM
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MANAGER
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Another account used to perform database administration tasks.
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Oracle Database Administrators Guide
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这时候要找到一组用户名、密码提示被锁，才能进行下一步
安装ORACLE时，若没有为下列用户重设密码，则其默认密码如下：
用户名/密码 登录身份 说明
sys/change_on_install SYSDBA或SYSOPER 不能以NORMAL登录，可作为默认的系统管理员
system/manager SYSDBA或NORMAL 不能以SYSOPER登录，可作为默认的系统管理员
sysman/oem_temp sysman 为oms的用户名
scott/tiger NORMAL
普通用户
aqadm /aqadm SYSDBA或NORMAL
高级队列管理员
Dbsnmp/dbsnmp SYSDBA或NORMAL 复制管理员
2，在CMD中启动SQLPLUS；用sqlplus/as sysdba登录，提示
连接到:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
3.执行ALTER USER 你被锁的用户名 ACCOUNT UNLOCK；
4.重新用SQL/PLUS登录，用你刚刚解锁的用户名、密码；
重新修改密码就可以了！
具体操作如下：
1.运行->sqlplus /nolog
2.输入conn / as sysdba 管理员账户登录
3.如果用户被锁定先解锁：
alter user system account unlock;
4.修改密码：
alter user system identified by qiushun;
接下来可以用sqlplus登陆了。
(责任编辑：admin) |
