Schedule intervals become even more powerful when combined with the conceptof backfilling, which allows you to execute a new DAG for historical schedule intervalsthat occurred in the past. This feature allows you to easily create (or backfill) new datasets with historical data simply by running your DAG for these past schedule intervals.Moreover, by clearing the results of past runs, you can also use this Airflow feature toeasily rerun any historical tasks if you make changes to your task code, allowing youto easily reprocess an entire data set when needed.