You can view the list of long-term backups for an Autonomous Database on Dedicated Exadata Infrastructure and modify or delete them from its Details page.

1. Go to the Details page of the Autonomous Database for which you want to modify a long-term backup.

   For instructions, see View Details of an Autonomous Database on Dedicated Exadata Infrastructure.

2. Scroll down and locate Backups under Resources.
   All the existing backups for this Autonomous Database are listed with the details such as its name, state, type, retention period, Database version, backup destination, expiration date, and encryption key.
3. Long-term backups are listed with Long-term as their Type. You can perform the following actions on a long-term backup by clicking the menu next to it.

   Action	Steps
   Clone a long-term backup	Click the actions icon, and select Create Clone. The Clone Autonomous Database page opens with Clone Source defaulted to this long-term backup. Provide the remaining details on this page, and click Clone Autonomous Database. Refer to Clone Autonomous Database from Backup for more details.
   Edit the retention period	Click the actions icon, and select Edit retention period. Choose the Retention period of your choice from the Edit long-term backup retention period dialog, and click Save. The long-term backup's Expiration date updates accordingly.
   Delete a long-term backup	Click the actions icon, and select Delete. Click Delete on the confirmation dialog that appears. The backups State changes to Deleted.