-- Delete data
ALTER TABLE store DROP CONSTRAINT store_manager_staff_id_fkey;
ALTER TABLE staff DROP CONSTRAINT staff_address_id_fkey;
ALTER TABLE staff DROP CONSTRAINT staff_store_id_fkey;

DELETE FROM payment ;
DELETE FROM rental ;
DELETE FROM customer ;
DELETE FROM film_category ;
DELETE FROM film_actor ;
DELETE FROM inventory ;
DELETE FROM film ;
DELETE FROM category ;
DELETE FROM staff ;
DELETE FROM store ;
DELETE FROM actor ;
DELETE FROM address ;
DELETE FROM city ;
DELETE FROM country ;
DELETE FROM language ;

ALTER TABLE staff ADD CONSTRAINT staff_address_id_fkey FOREIGN KEY (address_id) REFERENCES address (address_id) ON UPDATE CASCADE;
ALTER TABLE staff ADD CONSTRAINT staff_store_id_fkey FOREIGN KEY (store_id) REFERENCES store (store_id) ON UPDATE CASCADE;
ALTER TABLE store ADD CONSTRAINT store_manager_staff_id_fkey FOREIGN KEY (manager_staff_id) REFERENCES staff(staff_id) ON UPDATE CASCADE ON DELETE RESTRICT;