Overview Business Intelligence Cloud Service

Oracle has driven BI Cloud strongly, that's why I share you a very good link if you want to learn about BI Cloud Service

Main topics:

Explore Data in Visual Analyzer Projects
View Reports in Dashboards and Analyses
Getting Started with Analyses
Getting Started with Dashboards
Prepare Data and Models for Exploration and Reporting
Getting Started with Data Loading
Getting Started with Data Modeling
Manage Your BI Cloud Service

https://docs.oracle.com/cloud/latest/reportingcs_use/reportingcs_tutorials.htm