Enter the New Password again and press enter. Now type a New Password and press enter.Ħ. You will be prompted for your Old password and the New password.ĥ. It will show a message like connected to oracle database and your version name as shown below.Ĥ. Open command prompt window, enter sqlplus command to login into oracle database.ģ. Now if trying to log in with an old password (geeks123) it will show an invalid credential as shown below, it will log in successfully when login with a new password (Newgeeks123.)īy using the PASSWORD command in the command prompt.ġ. You can use that proxy user and a new set password to login into your database.Ĥ. The same command can be used to change the password for another user from your database, that user behaves as a proxy user. You don’t need any other privileges to change your own password. The password is changed from geeks123 to Newgeeks123.ģ. Here ‘system’ is a username and now the new password for ‘system’ becomes ‘Newgeeks123’ it means ‘system’ is now identified by password Newgeeks123.