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MANCHESTER NW5- ADIBA BELAYETE- MODULE-SQL _02- WEEK-02 #185
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Nomes27
reviewed
Feb 27, 2023
| 12. Retrieve the names of all customers who bought a product from a supplier based in China. | ||
| sql - | ||
| select distinct customers.name from customers inner join orders on orders.customer_id = customers.id inner join order_items on order_items.order_id = orders.id inner join suppliers on suppliers.id = order_items.supplier_id and suppliers.country = 'China'; |
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good to see you exploring distinct here
Nomes27
reviewed
Feb 27, 2023
| 13. List all orders giving customer name, order reference, order date and order total amount (quantity * unit price) in descending order of total. | ||
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| sql - | ||
| select customers.name, orders.order_date, orders.order_reference, order_items.quantity * product_availability.unit_price as total_amount from customers inner join orders on orders.customer_id = customers.id inner join order_items on order_items.order_id = orders.id inner join product_availability on product_availability.prod_id = order_items.product_id order by total_amount desc; | ||
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good job on completing these tasks Adiba :) separating your clauses onto new lines can help with readability
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