Provides details for Autonomous Database billing.

• Autonomous Database Billing Summary
  You are billed for Autonomous Database usage according to the values of two parameters: compute and storage. You select values for these parameters when you provision or scale an Autonomous Database instance.
• Compute Models in Autonomous Database
  Autonomous Database offers two compute models when you create or clone an instance: ECPU and OCPU.
• Oracle Autonomous Database Serverless Features Billing
  Shows billing information for Autonomous Database features for ECPU and OCPU compute models.
• Oracle Autonomous Database Serverless Billing for Database Tools
  Shows billing information for Autonomous Database database tools for ECPU and OCPU compute models.