Autonomous Databases perform maintenance updates and database patching for you. Your database remains available throughout the maintenance process. This topic describes Autonomous Database maintenance for shared Exadata infrastructure.
For information on maintenance for dedicated Exadata infrastructure, see Overview of Dedicated Exadata Infrastructure Maintenance.
For Autonomous Databases with shared Exadata infrastructure, Oracle performs regular maintenance updates that generally take no more than two hours.
Checking the Scheduling of Maintenance Updates
To see when your next scheduled maintenance update is, navigate to the Autonomous Database details page in the Console for the database you are interested in. The Next Maintenance metadata field displays the beginning and ending times of the next database maintenance . You can also use the GetAutonomousDatabase API operation to determine the time of your next maintenance update.