12/3

App
---
-driver
-credentials
-logic

changing db does not change codebase; abstraction layer will be the one accessed by the application

ORM - Object Relational Mapping

active record - library used by rails to perform object relational operations

1. how do we represent the table?
2. how do we represent fields?
3. how do we implement logic?

rails generate model Person first_name:string last_name:string contact_number:string

rake db:migrate

rails console

PagesController

<td>

<% @people.each do |p| %>
<% end %>

@person = Person.find(params[:id])