drop table if exists cart_item;

drop table if exists discount;

drop table if exists oder_items;

drop table if exists order_details;

drop table if exists payment_details;

drop table if exists product;

drop table if exists product_category;

drop table if exists product_inventory;

drop table if exists shopping_session;

drop table if exists user;

drop table if exists user_address;

drop table if exists user_payment;