Oracle Database 18c is now available. Learn more about the latest release available in the Cloud and on Engineered Systems. Oracle Database 18c is a single integrated platform that supports SQL, JSON, XML, and procedural languages (e.g., PL/SQL, Java, C/C++) in a simple fashion with high performance and scalability. The information below describes many of the features of Oracle Database that facilitate application development. This includes languages, development tools, connectivity and related technologies.