Inventory management data model example

What is an inventory management system ?

Inventory represents one of a business’s most important assets, since inventory turnover is a primary means of revenue generation and earnings for a company’s shareholders For a company, inventories are goods that are purchased, processed or sold at some point in time.
The two basic parameters of inventory management models are dateand quantity ordered. We can therefore order fixed date or variable, and fixed or variable quantity.
Inventory Management Software is a system that allows the user to manage and track inventory levels, orders, sales and deliveries. It is also used in the industry to create a work order and other documents related to production. It prevents overstocking and product failures.

Here is an example data model of inventory management system :

The inventory management diagram below is done with the ERBuilder data modeler. The source project file can be downloaded here.