Oracle Cloud provides several Oracle Cloud Service deployment choices. These choices allow you to start at the cost and capability level suitable to your use case and then gives you the flexibility to adapt as your requirements change over time. Choices include: single schemas, dedicated pluggable databases, virtualized databases, bare metal databases and databases running on world-class engineered infrastructure.

Oracle Database Cloud Services, each designed to meet different business needs. Some main types include:

1. Oracle Autonomous Database: This is a fully managed database service that uses machine learning to automatically manage and optimize the database for performance, security, and availability.

2. Oracle Database Standard Edition: This is a cloud-based version of Oracle’s standard database management system, providing users with the same features and functionality as the on-premise version.

3. Oracle Database Enterprise Edition: This is a cloud-based version of Oracle’s enterprise database management system, providing users with advanced features such as real-time analytics, high availability, and security.

4. Oracle Database Exadata Cloud Service: This is a cloud-based version of Oracle’s Exadata database machine, providing users with high performance and scalability for demanding workloads.

Oracle Database Cloud Services are designed to be flexible and customizable, allowing users to choose the service that best meets their business needs. The cloud-based nature of these services also allows for easy scaling and management of databases, reducing the need for on-premise hardware and infrastructure.