What are the three components of Oracle Database Automatic Maintenance Tasks?

A diagnostic system that collects database error logs and details about database failures that can be found to diagnose complete file.

Oracle Database Resource Manager, which enables you to manage and configure system resources used by the Automatic Maintenance Tasks.

The maintenance windows managed by Oracle Database Scheduler, which are predefined time intervals permitting scheduled tasks.

A packaging system that allows you to combine all error and failure logs to share with Oracle Support.

A database alert log that stores details about major database operations and errors, which is used to manage cluster performance.

A set of tasks that are started automatically at regular intervals to perform maintenance operations on the database.