Posted by ErmanArslansOracleBlog on May 03, 2018; 12:13pm URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/reg-core-based-licence-tp5887p5889.html
This is not my expertise.
But, I can say you that, you either purchase licenses by cpu or by user count(named user plus)