CREATE TABLE CUSTOMERS (
ID INT NOT NULL,
firstname varchar(30),
lastname varchar(30),
ADDRESS varchar(100),
PRIMARY KEY (ID)
);
CREATE TABLE ORDERS (
ID INT NOT NULL,
PRODUCT_NAME VARCHAR(30),
PRODUCT_PRICE FLOAT,
DATE_ORDER DATE,
ID_CUSTOMER int,
AMOUNT INT,
PRIMARY KEY (ID),
FOREIGN KEY (ID_CUSTOMER) REFERENCES CUSTOMERS(ID)
);