13. Smith moved to Adams location. Please update Smiths city but do not use the city name directly.

14. Please create a view table supplier_shipment that shows each supplier and its total shipment quantity.

15. Please try to increase Smiths total shipment by 100 in the view table you created in question 14. Then discuss what happens when you try to update the view table.

16. Please create a base table supplier_shipment that shows each supplier and its total shipments from S and SPJ tables.