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London 9 - Oleh Pysmenko- SQL - Week 2 #42

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London 9 - Oleh Pysmenko- SQL - Week 2 #42

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47 changes: 47 additions & 0 deletions E-Commerce/readme.md
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Expand Up @@ -46,12 +46,59 @@ erDiagram
Write SQL queries to complete the following tasks:

- [ ] List all the products whose name contains the word "socks"
select product_name from products where product_name LIKE '%socks%'

- [ ] List all the products which cost more than 100 showing product id, name, unit price, and supplier id
select prod_id, product_name, unit_price, supp_id from products
inner join product_availability
on product_availability.prod_id = products.id
where unit_price > 100

- [ ] List the 5 most expensive products
select product_name, unit_price from products
inner join product_availability
on product_availability.prod_id = products.id
ORDER BY unit_price DESC limit 5;

- [ ] List all the products sold by suppliers based in the United Kingdom. The result should only contain the columns product_name and supplier_name
select product_name, supplier_name from products
inner join product_availability
on product_availability.prod_id = products.id
inner join suppliers
on product_availability.supp_id = suppliers.id
where country = 'United Kingdom'

- [ ] List all orders, including order items, from customer named Hope Crosby
select * from orders
inner join order_items
on orders.id = order_items.order_id
inner join customers on customer_id = customers.id
where name = 'Hope Crosby'

- [ ] List all the products in the order ORD006. The result should only contain the columns product_name, unit_price, and quantity
select product_name, unit_price, quantity
from orders
inner join order_items
on orders.id = order_items.order_id
inner join product_availability
on order_items.product_id = product_availability.prod_id
inner join products
on product_availability.prod_id = products.id
where order_reference like '%ORD006%';

- [ ] List all the products with their supplier for all orders of all customers. The result should only contain the columns name (from customer), order_reference, order_date, product_name, supplier_name, and quantity
select name, order_reference, order_date, product_name, supplier_name, quantity
from products
inner join product_availability
on products.id = product_availability.prod_id
inner join order_items
on product_availability.prod_id = order_items.product_id
inner join orders
on order_items.order_id = orders.id
inner join suppliers
on product_availability.supp_id = suppliers.id
inner join customers
on orders.customer_id = customers.id;

## Acceptance Criteria

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