how firm check box will show its effect , can explain with an example

How the firm check box present on the discrete job window also in mps workbench plays a role with an example

when you firm an order (PO or WIP) the planning enging (MRP/ASCP) 'll consider these orders are firm .i.e not to be changed.

but if you dont firm these orders then the planning engine 'll consider these orders during planning and might suggest to cancel, reschdule in/reschdule out.

Oracle Applications Fusion Cloud - Inventory

Oracle Cloud/Fusion Procurement training will help you develop the fundamental skills required to set up and use the Procurement module. This training covers all the tasks, setups, forms and reports used in Procurement and related modules