DROP TABLE LineItem
CREATE TABLE LineItem (Invoice_Number INTEGER, Product_Code CHAR(7), Quantity INTEGER)
INSERT INTO LineItem VALUES (11731, '116-064', 3)
INSERT INTO LineItem VALUES (11731, '257-535', 1)
INSERT INTO LineItem VALUES (11731, '643-119', 2)
INSERT INTO LineItem VALUES (11732, '116-064', 10)
INSERT INTO LineItem VALUES (11733, '116-064', 2)
INSERT INTO LineItem VALUES (11733, '643-119', 1)
