Oracle Database Releases Review

If you’ve worked with Oracle Database for more than a few years, you remember the old days: a major release every 4–5 years, a few patchsets, and a clear "end of life" you could mark on a calendar.

19c is the last release of the 12.2 code line (12.2 → 18c → 19c). It is the most stable, most deployed Oracle version in production today. If you are running 11g or 12c, 19c is your safe, low-risk upgrade target. oracle database releases

21c was an innovation release that very few customers adopted. Its key features (native blockchain tables, JSON data type improvements, in-database JavaScript) were absorbed into 23c/23ai. If you’ve worked with Oracle Database for more