category

Whether to enable second level backup.Valid values are Flash, Standard, Note:It only takes effect when the BackupPolicyMode parameter is DataBackupPolicy.

NOTE: You can configure a backup policy by using this parameter and the PreferredBackupPeriod parameter. For example, if you set the PreferredBackupPeriod parameter to Saturday,Sunday and the BackupInterval parameter to -1, a snapshot backup is performed on every Saturday and Sunday.If the instance runs PostgreSQL, the BackupInterval parameter is supported only when the instance is equipped with standard SSDs or enhanced SSDs (ESSDs).This parameter takes effect only when you set the BackupPolicyMode parameter to DataBackupPolicy.