create table orderItems
(
order_num integer not null,
prod_id char(10) not null,
quantity integer default 1 not null,
price decimal(8,2) not null
);
原来是“default 默认值 放在not null前面”,
create table orderItems
(
order_num integer not null,
prod_id char(10) not null,
quantity integer default 1 not null,
price decimal(8,2) not null
);
原来是“default 默认值 放在not null前面”,