erDiagram
Customer {
  integer id pk
  text first_name 
  text last_name 
}
Product {
  integer id pk
  text sku 
  text product_name 
  text product_code 
  integer quantity 
  decimal price 
}
Order {
  integer id pk
  integer customer_id 
  integer product_id 
  integer quantity 
  decimal order_total 
}
Region {
  integer id pk
  text name 
  text label 
}
Product }|--|{ Region: ""
Order }|--|| Customer: ""
Order }|--|| Product: ""