I need help with some SQL questions, specifically MySQL . Hope somebody can help answer all of these.

Schema EMPLOYEE (employee_id, store_id, last_name, first_name, phone, email, salary) PRODUCT (product id, category_id, product_code, product_name, description, list_price, discount_percent, dateadded, vendor_id) CUSTOMER (customer id, emailaddress, password, first_name, last_name, shipping_address_id, billing_address_id) CATEGORY (category_id, category_name) ORDERS (order id, customer_id, employee_id, store_id, order_date, ship_amount, tax_amount, ship_date, shipping_address_id, cardt_ype, card_number, card_expires, billing_address_id) ORDERITEMS (item_id, order id, product id, item_price, discount_amount, quantity) VENDOR (vendor id. company_name, contact_Iname, contact_fname, address, city, state, zip, phone, fax, email) ADDRESS (Address ldd, Customer_ld, Linel, Line2, City, State, Zip_Code, Phone, Disabled) STORE (store_id, store_id, region_id, region_name) ADMINISTRATORS (admin_id, email_address, password, first_name, last_name)