2. (3.14 Elmasri-6e)- Consider the following a company: for an six relations for an order-processing database application in CUSTOMER (Cust, Cname, City) ORDER (Order, Odate, Cust#, Ord Amt) ORDER ITEM (Order, Item, Qty) ITEM (Item#, Unit-price) SHIPMENT (Ordert, Warehouset, Ship_date) WAREHOUSE (Warehouses, City) Here, Ord_Amt refers to total dollar amount of an order, Odate is the date the order was placed, Ship_date is the date an order (or part of an order) is shipped from the warehouse. Assume that an order can be shipped from several warehouses. Specify the foreign keys for this schema (FORMAT: the table name, for each of the foreign keys (if any), the foreign key name, and the table and column the foreign key references) stating any assumptions you make