Example - ClearOut
•Validate Input (appropriate product, store)
•SELECT qty INTO :tmp
•      FROM InStore
•      WHERE StoreID = :store AND prodID = :product
•UPDATE Product
•      SET WarehouseQty = WarehouseQty + :tmp
•      WHERE prodID = :product
•UPDATE InStore
•      SET Qty = 0
•      WHERE prodID = :product
•COMMIT