Having the prediction happen in the modular format allows you to start with a lower version of Exadata and then you can keep on upgrading it as per your requirement.
Oracle Exadata Express Cloud Service is known for its stability and excellent performance, offering greater scalability in the cloud compared to on-premises. It provides high availability without requiring database fine-tuning. While users find it recommendable if affordable, there are concerns about improving pricing, marketing, and support. The scaling process is cumbersome, and the installation process could be more user-friendly to enhance accessibility.