as i am new to Bo i am exploring on beach universe
what is the need of going for 2 contexts in beach universe instead of going for aliasing the service and country table as it will resolve the loops
kolla_ashok (BOB member since 2006-11-02)
Welcome to B:bob:B! 
The answer to your question is given by Andreas here.
Check Dave’s blog on contexts to know more about contexts.
Jansi 
(BOB member since 2008-05-12)