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SQL queries for shopify task #5

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SQL queries for shopify task #5

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20 changes: 19 additions & 1 deletion 4-multiple-tables/27_online_shop.sql
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Original file line number Diff line number Diff line change
@@ -1,4 +1,22 @@
-- Online Shop 🛍️
-- Codédex

-- No solution for this one yet! :)
-- Best selling items
SELECT products.name, products.price, COUNT(orders.item_id)
FROM orders
JOIN products ON orders.item_id = products.id
GROUP BY products.name
ORDER BY COUNT(orders.item_id) DESC;

-- All orders per customer
SELECT customers.name, orders.item_id, products.name
FROM orders
LEFT JOIN products ON orders.item_id = products.id
LEFT JOIN customers ON orders.customer_id = customers.id;

-- Highest sales days
SELECT date, SUM(price)
FROM orders
JOIN products ON orders.item_id = products.id
GROUP BY date
ORDER BY SUM(price) DESC;