The Oracle Identity Cloud Service is a PaaS security and identity platform which provides hybrid identity features to maintain a single identity for each user across their on-premise and in the cloud services while delivering a seamless user experience.
Oracle IDCS is a true enterprise-level cloud solution to our organization's needs. Everything is so intuitive that is much easy to follow and learn. The Oracle support and documentation feature is excellent and makes our work easy to do. I see a bright future for this product …
Oracle's Identity Cloud Service works more in conjunction with the aforementioned. I think it works similar to Oracle Identity Management (OID) but seems a little more abstracted.