Install Oracle 11g on window 7 but unable to login to sql developer.

I have installed Oracle 11g from Oracle site but once oracle has been installed I am unable maintain connection as a New user in Sql developer.
Although while installing I have kept both the password blank but when i am login to it keeping User name and password as blank it says as Invalid username/password.
And same is the case with Sql plus it says your password has been locked but suggest any suggestive reasons for that.
Thanks and Regards
Addi
Edited by: 959982 on Sep 18, 2012 10:40 PM

959982 wrote:
I have installed Oracle 11g from Oracle site but once oracle has been installed I am unable maintain connection as a New user in Sql developer.
Although while installing I have kept both the password blank but when i am login to it keeping User name and password as blank it says as Invalid username/password.Since you must log on as a user, how do you expect to log on without a username (username as blank)?
And please be aware that Oracle does NOT certify its products on any "home" edition of Windows.
And same is the case with Sql plus it says your password has been locked but suggest any suggestive reasons for that.
Thanks and Regards
Addi
Edited by: 959982 on Sep 18, 2012 10:40 PM

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