虽然20c发布了，19c仍是未来升级的首先版本
关于新特性，请打开下面的链接
https://docs.oracle.com/en/database/oracle/oracle-database/20/newft/new-features.html官方白皮书链接
https://docs.oracle.com/en/database/oracle/oracle-database/20/index.html
其他方面的特性，请浏览下面的链接
Automated Machine Learning – will automation replace Data Scientists?
Data Safe and Oracle Database 20c
Native Blockchain Tables Extend Multi-model Converged Architecture
New JSON binary datatype in Oracle Database 20c
Oracle Database 20c Automatic In-Memory Enhancements
Using graphs to understand relationships with Oracle Database 20c
Reference
https://docs.oracle.com/en/database/oracle/oracle-database/20/index.htmlhttps://docs.oracle.com/en/database/oracle/oracle-database/20/newft/new-features.html
https://blogs.oracle.com/database/ga-of-oracle-database-20c-preview-release
