||Contains customers data either entered by an employee or by the customer
him/herself over the Web.
||Tracks availability of products by product_it and warehouse_id.
||Example of many-to-many resolution.
||Contains orders entered by a salesperson as well as over the Web.
||Non-industry-specific design, allows selection of NLS-setting-specific data
derived at runtime, for example using the products view.
||Non-industry-specific data in various categories.
||Warehouse data unspecific to any industry.