Database overview
The diagram below illustrates the data hierarchy in the SQL Server database used by both the Planner and the Scheduler.
         - An Order is a request for item production.
 - An Item is the output of the production.
 - A quantity of items is divided into Loads, which proceed through the routing.
 - A batch is a group of potentially disimilar items that are processed together.
 - A Routing identifies how to make the item.
 - Operations are the steps in the process of producing the item.
 - Resources are the requirements for performing the job, such as crew or machines.
 - Materials are the consumable production requirements (such as nuts and bolts).
 - Deliveries add to the inventory level of materials.
 - Holidays identify plant shutdowns and holidays.
 - Shifts limit resource availability.
 - Shift exceptions identify special situations such as overtime and maintenance.