insert into CATALOG(id, product_id, product_name, stock, unit_price)
        values(1, 'CATALOG-0001', 'Berlin', 100, 1500);

insert into CATALOG(id, product_id, product_name, stock, unit_price)
values(2, 'CATALOG-0002', 'NewYork', 200, 1000);

insert into CATALOG(id, product_id, product_name, stock, unit_price)
values(3, 'CATALOG-0003', 'Seoul', 300, 3000);