Question: what is the latest version of oracle?
Answer: Oracle 10g Release 1: 10.1. ...  Oracle 10g Release 2: 10.2. ...  Oracle 11g Release 1: 11.1. ...  Oracle 11g Release 2: 11.2. 0.1 - 11.2. ...  Oracle 12c Release 1: 12.1. 0.1 - 12.1. ...  Oracle 12c Release 2: 12.2. 0.1 - 12.2. ...  Oracle 18c: 18.1. 0 - 18.9. ...  Oracle 19c: 19.1. 0 - 19.6.