Data Entities and Attributes Based on these requirements, we can identify potential data entities and their attributes: 1. Customer: customer_id, name, contact_info, demographics, purchase_history, preferences 2. Product: product_id, name, description, price, category, inventory_level 3. Order: order_id, order_date, customer_id, order_totalprice, order_quantity 4. Order_Item: order_item_id, order_id, product_id, order_quantity, price 5. Sales: sale_id, sale_date, salesperson_id, customer_id, total_amount 6. Inventory: inventory_id, product_id, inv_quantity, reorder_point 7. Store: store_id, location, manager_id 8. Employee: employee_id, name, role, store_id