Hacker News new | ask | show | jobs
by flukus 3258 days ago
> honest question, when would you query several tables without joining them somewhere?

You might be "joining" client side if you had something like a master/detail UI. Network round trips are relatively slow and to be avoided if you can (n+1 errors being the pathological case):

https://people.eecs.berkeley.edu/~rcs/research/interactive_l...