I recently came across the below announcement by Oracle. This is a great resource and available for free for anyone interested to learn about the latest offerings and even get certified with OCI: https://www.oracle.com/corporate/blog/free-certifications-oracle-oci-autonomous-033020.html?SC=%3Aso%3Atw%3Aor%3Aawr%3Aocorp%3A&source=%3Aso%3Atw%3Aor%3Aawr%3Aocorp%3A
