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How to solve the problem of incorrect system password of Oracle12C default username

2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces "how to solve the problem of incorrect system password of Oracle12C default user name". In daily operation, I believe many people have doubts about how to solve the problem of incorrect system password of Oracle12C default user name. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for everyone to answer the question of "how to solve the problem of incorrect system password of Oracle12C default user name". Next, please follow the editor to study!

If you can log in to any user, you can know which users are currently available in the following way.

Select distinct owner from all_objects views the current user.

If you do not set a password during installation

Oracle has three default usernames and passwords

1. User name: sys password: change_on_install

two。 User name: system password: manager

3. User name: scott password: tiger

Or maybe you set a password that conforms to the Oracle verification rules during installation, but the password is incorrect when you log in, which may be the reason for your character set setting during installation.

Solution:

1. You can change the passwords of other accounts after logging in using the sysdba account.

Run cmd and enter the command sqlplus / as sysdba-login superuser (sysdba) as sys

two。 Unlock the account

Alter user username account unlock;-unlocked (must be marked with ";")

Take the system user name as an example, that is, the command is alter user system account unlock

3. Set a new password for the account

Alter user username identified by password;-modify password (password can be enclosed in double quotation marks and must be marked with ";")

Take user name system password dhee as an example, that is, the command is alter user system identified by dhee

Then log in with the password you changed.

At this point, the study on "how to solve the problem of incorrect system password of Oracle12C default username" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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