Changing the Password for User omm in DBService

Log in to the active DBService node as user root.

The password of user omm for the DBService database cannot be changed on the standby DBService node. Change the password on the active DBService node only.
Run the following command to switch to another user:

su - omm
Run the following command to go to the related directory:

source $DBSERVER_HOME/.dbservice_profile

cd ${DBSERVICE_SOFTWARE_DIR}/sbin/
Run the following command to change the password of user omm:

sh modifyDBPwd.sh
Enter the old password of user omm and enter a new password twice.

The password must meet the following complexity requirements:
- Contains 8 to 32 characters.
- Contains at least three types of the following: uppercase letters, lowercase letters, numbers, and special characters (~`!@#$%^&*()-+_=\|[{}];",<.>/?).
- Cannot be the same as the username or the username spelled backwards.
- Cannot be the same as the last 20 historical passwords.
If the following information is displayed, the password is changed.
```
Successful to modify password.
```