Performing DynamoDB Backup
One backup policy can be used to process one or more DynamoDB tables within one AWS account. The scope of data that you can protect in an AWS account is limited by permissions of an IAM role that is specified in the backup policy settings.
If you plan to receive email notifications on backup policy results, configure global notification settings before creating a DynamoDB backup policy. For more information, see Configuring Global Notification Settings.
For DynamoDB tables residing in any of the regions added to the backup policies, you can also take a backup manually when needed.
Consider the following: