I think the search term you are looking for is O.R.M. Object Relational Mapping. Rather than me explaining it here, the rails guides[1] give you a good overvie

I think the search term you are looking for is O.R.M. Object Relational Mapping. Rather than me explaining it here, the rails guides[1] give you a good overview. [1] http://guides.rubyonrails.org/active_record_querying.html http://guides.rubyonrails.org/active_record_querying.html