prestashop 1.5.4.0 delete all orders and cart items

TRUNCATE `ps_orders`;
TRUNCATE `ps_order_detail`;
TRUNCATE `ps_order_detail_tax`;
TRUNCATE `ps_order_history`;
TRUNCATE `ps_order_invoice`;
TRUNCATE `ps_order_invoice_payment`;
TRUNCATE `ps_order_invoice_tax`;
TRUNCATE `ps_order_message`;
TRUNCATE `ps_order_message_lang`;
TRUNCATE `ps_order_payment`;
TRUNCATE `ps_order_return`;
TRUNCATE `ps_order_return_detail`;
TRUNCATE `ps_order_return_state`;
TRUNCATE `ps_order_return_state_lang`;
TRUNCATE `ps_order_slip`;
TRUNCATE `ps_order_slip_detail`;
TRUNCATE `ps_order_state`;
TRUNCATE `ps_order_state_lang`;
TRUNCATE `ps_message`;
TRUNCATE `ps_cart`;
TRUNCATE `ps_cart_product`;