orders --> Model "Order"
------------
id
code_id (not relevant for now)
customer_id



order_lines --> Model "OrderLines"
------------
id
order_id
package_id (not relevant for now)



order_line_articles --> Model "OrderLineArticle"
------------
id
order_line_id
package_id (not relevant for now)
article_id
choice_id
settled



articles --> Model "Article"
------------
id
name
supplier_id
(and some more but not relevant)



suppliers --> Model "Supplier"
------------
id
name
handling_id