Here is a Design Blog post as well that may be of some use in explaining things too:
https://community.qlik.com/t5/Qlik-Design-Blog/Synthetic-Keys/ba-p/1472634?advanced=false&collapse_d...
Regards,
Brett
To help users find verified answers, please do not forget to use the "Accept as Solution" button on any post(s) that helped you resolve your problem or question.
I now work a compressed schedule, Tuesday, Wednesday and Thursday, so those will be the days I will reply to any follow-up posts.