The newly installed oracle11g, unexpectedly in use when the user name and password is not remembered at the time of installation.
Don't worry, open the sqlplus.
Follow the steps below to create a new login user:
The first step: Log in with sys sys/Password as sysdba any character here can be logged on.
Sys/manager as Sysdba
Once the login is successful, you can create a new user.
Step Two:
Create user
Grammar:
Create user username identified by password create user admin identified by ORCL;
To unlock the user you just created: ALTER user Username account Unlock/lock
Alter user admin account unlock; User Unlocked
Alter user admin account lock; User Lock
Grant new logged on user Create permission
Syntax: GRANT CREATE SESSION to user name
Grant create session to admin;
Grant the newly created user database administrator rights
Grammar:
Grant DBA to User name; Grant dba to admin;
Switch to the newly created user login
Syntax: CONNECT user name/password
Connect ADMIN/ORCL;
Delete User
Syntax: DROP user username
Drop user admin;
Note that all actions must be added at the end of the ";" To perform successfully
Forget user name or password after Oracle installation + Create new login user