Inner Join

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A join of two or more tables that returns only the matched rows is called an inner join

SELECT sales.sales_date, sales.order_id, sales.product_id, product.product_name
FROM sales INNER JOIN product
ON sales.product_id = product.product_id;
01-FEB-15	1269	200	Samsung F7100
01-JAN-15	1267	100	Mobile Cover
01-JAN-15	1267	101	iPhone
02-JAN-15	1268	100	Mobile Cover
09-FEB-15	1270	105	HTC 7800
09-FEB-15	1270	106	Microsoft Keyboard 7865
09-FEB-15	1270	101	iPhone

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