Oracle Database offers market-leading performance, scalability, reliability, and security, both on-premises and in the cloud. Oracle Database 19c is the current long term release, and it provides the highest level of release stability and longest time-frame for support and bug fixes.
Oracle Database 21c, also available for production use today as an innovation release, provides an early insight into the many enhancements and new capabilities. These include autonomous administration, improved multimodel support through in-database Javascript and native blockchain tables, and multiworkload improvements such as AutoML and sharding enhancements that will be incorporated into future long term releases.