U can login here as( in 10g express edition):-
1.connect system as SYSDBA;
2.enter passwd as manager;
Oracle9i we had an account called SCOTT with password TIGER. Many try to use that to log in but fail. Oracle Database 10g doesn’t come with SCOTT account any more. It instead provides HR account HR password.
But, HR account is locked and cannot be used unless you unlock it. So here are the steps to unlock HR account.
1. Start SQL Plus using Oracle Database 10g Express Edition->Run SQL Command Line.
2. At SQL> prompt, connect to Oracle using SYSTEM account with password given at the time of installation. Oracle password are NOT case sensitive.
3. Unlock HR account with the following command.
ALTER USER HR ACCOUNT UNLOCK;
4. > Now, HR account is unlock and ready to be used. So, try to connect to HR account using the following command.
It will prompt you to enter new password and current password is expired. This is because of the fact, HR account’s password is expired by default. Don’t worry enter new password for HR. To make life easy, you better enter the same HR as password.