Oracle Autonomous Database Serverless includes several features that automatically monitor, analyze and optimize the performance of your Autonomous Database.

• Use Operations Insights on Autonomous Database
  Operations Insights is a cloud-native service that enables users to make informed, data-driven, Autonomous Database resource and performance management decisions.
• Manage Optimizer Statistics on Autonomous Database
  Describes Autonomous Database commands to run when you need to gather optimizer statistics or enable optimizer hints.
• Manage Automatic Indexing on Autonomous Database
  Automatic indexing automates the index management tasks in Autonomous Database. Auto Indexing is disabled by default in Autonomous Database.
• Manage Automatic Partitioning on Autonomous Database
  Automatic partitioning analyzes and automates partition creation for tables and indexes of a specified schema to improve performance and manageability in Autonomous Database.