PostreSQL: Full Outer Join, PostgreSQL

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--PostgreSQL 9.6
--'\\' is a delimiter

--create two tables

CREATE TABLE product( 
    product_id INT PRIMARY KEY NOT NULL, 
    sku CHAR(50) NOT NULL, 
    category VARCHAR(50) NOT NULL, 
    date TIMESTAMP, 
    price DECIMAL (10,2)
);

CREATE TABLE warehouse( 
    sku CHAR(50) PRIMARY KEY NOT NULL, 
    upc INT NOT NULL, 
    quantity INT NOT NULL 
);

--insert records into two tables

INSERT INTO product
(product_id, sku, category,date, price)VALUES 
(101	, 'A113M1',	'Mascara', '2020-04-23', 23),(102,	 'A212M2	', 'Mascara', '2020-02-12', 23),(103,	 'A221NP2',	 'Nail Polish', '2020-03-07', 15), (104,	 'A332NP2',	 'Nail Polish', '2020-05-21', 15),(105	, 'A36LIPG',	 'Lipgloss', '2020-07-15', 19);

INSERT INTO warehouse
(sku, upc, quantity) VALUES
('A113M1', 3445-113-545, 540),
('A212M2',	3445-212-454, 230),
('A221NP2',	3445-221-43, 670),
('A332NP2',	3445-332-003, 168),
('A36LIPG',	3445-336-347, 470);

--run query
SELECT warehouse.sku, warehouse.upc, product.sku, product.date
FROM warehouse 
FULL OUTER JOIN product ON product.sku= warehouse.sku
ORDER BY warehouse.upc


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