Oracle的默认⽤户密码
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Oracle默认⽤户名密码後（表格中附带默认⽤户名及密码），都提⽰⽆效的⽤户名、密码，
Username
Password
Description
See Also
CTXSYS
CTXSYS
The Oracle Text account
Oracle Text Reference
DBSNMP
DBSNMP
The account used by the Management Agent component of Oracle Enterprise Manager to monitor and manage the database Oracle Enterprise Manager Grid Control Installation and Basic Configuration
LBACSYS
LBACSYS
The Oracle Label Security administrator account
Oracle Label Security Administrator's Guide
MDDATA
MDDATA
The schema used by Oracle Spatial for storing Geocoder and router data
Oracle Spatial User's Guide and Reference
MDSYS
MDSYS
The Oracle Spatial and Oracle interMedia Locator administrator account
Oracle Spatial User's Guide and Reference
DMSYS
DMSYS
The Oracle Data Mining account.
Oracle Data Mining Administrator's Guide
Oracle Data Mining Concepts
OLAPSYS
MANAGER
The account used to create OLAP metadata structures. It owns the OLAP Catalog (CWMLite).
Oracle OLAP Application Developer's Guide
ORDPLUGINS
ORDPLUGINS
The Oracle interMedia user. Plug-ins supplied by Oracle and third party format plug-ins are installed in this schema. Oracle interMedia User's Guide
ORDSYS
ORDSYS
The Oracle interMedia administrator account
Oracle interMedia User's Guide
OUTLN
OUTLN
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.
Oracle Database Performance Tuning Guide
SI_INFORMTN_SCHEMA
SI_INFORMTN_SCHEMA
The account that stores the information views for the SQL/MM Still Image Standard
Oracle interMedia User's Guide
SYS
CHANGE_ON_INSTALL
The account used to perform database administration tasks
Oracle Database Administrator's Guide
SYSMAN
CHANGE_ON_INSTALL
The account used to perform Oracle Enterprise Manager database administration tasks. Note that SYS and SYSTEM can also perform these tasks.
Oracle Enterprise Manager Grid Control Installation and Basic Configuration
SYSTEM
MANAGER
Another account used to perform database administration tasks.
oracle 新建用户Oracle Database Administrator's Guide
这时候要到⼀组⽤户名、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 wanglj;
接下来可以⽤sqlplus登陆了。

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