In the DDS, you can reset the database administrator password in the following steps:
Go to the DDS Management Console.
Click the Instance Management menu to go to the instance list page.
Select the instance for which you want to change the password and click the instance ID to go to the instance details page.
In the Instance Information section in the Instance Details tab, locate the Administrator Account information and click Change Password to the right.
In the Change Password pop-up window, enter the new password twice as instructed and then click OK. The administrator password is changed.
Note:
The password must be 8 to 26 characters long and contain uppercase letters, lowercase letters, numbers, and special characters ~!@#%^*_=+.