02 May Practice 1: Data Integration (14 points)Integrate data in SQL database (8 points)
Practice 1: Data Integration (14 points)
Integrate data in SQL database (8 points)
Supposed that you are the data scientist in Northwinds. Your boss asks you to provide a dataset about the details of each order, including supplier name, supplier country, category name, price, quantity, order date, customer name, customer country, shipper name, and employees' last name and first name. You need to integrate all the tables in the Northwinds database.
I provide you with a skeleton of SQL query as below. Please complete the query by filling the blanks and run it on .
SELECT suppliername,suppliers.country AS suppliercountry, categoryname, productname, price, quantity, orderdate, customername, customers.country AS customercountry, shippername, lastname, firstname
FROM suppliers
JOIN products ON suppliers._____=products._____
JOIN categories ON categories._____=products.______
JOIN orderdetails ON products._____=orderdetails.______
JOIN orders ON orderdetails.______=orders.______
JOIN employees ON orders.______=employees._______
JOIN customers ON orders._______=customers.______
JOIN shippers ON orders.______=shippers.______
ORDER BY orderdate
I am not understanding what to fill in on the blanks
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