少し触れてみましたので結果をシェアします。
これなら小さな成功体験の蓄積が出来そうです。
皆様も宜しければぜひ！（サンプルクエリーも添付します）

Session Name

Autonomous Database 15 Minute Quick Start

Introduction

About this Workshop:
Autonomous Database provides a complete and easy to use platform for database applications. This workshop introduces deploying a database optimized for data warehousing workloads, integrating that warehouse with a data lake and then analyzing data using rich Oracle SQL capabilities.

Objectives

In the next 15 minutes, you will:

Deploy an Autonomous Database instance that is optimized for data warehousing workloads
Use Autonomous Database tools to load data from object storage
Use advanced SQL to uncover issues and possibilities

URL

サンプルクエリー

select country, count(*) as total from 
CUSTOMER group by country order by total DESC;

実施結果

結果

以上です、宜しければぜひ！