MySQL database instances should not have a passwordless default root user¶
MySQL database instances have the option for NOT having a password for the administrative/root user. This is not recommended; a password should be set to ensure that only authorized users have administrative privileges.
Google Cloud Console¶
Navigate to Cloud SQL instances.
Click on the instance name to go to the Overview page.
Click Users on the left navigation bar.
For the root user, select Change password from the more actions icon.
Enter in a password, and click OK.
Set a password for a MySQL instance:
gcloud sql users set-password [USER_NAME] [HOST] --instance=[INSTANCE_NAME] - -password=[PASSWORD]