NW5 Manchester - Yousef Shaikhan - SQL-Coursework-Week2

2-exercises/task.md

@@ -35,10 +35,20 @@ Open the file `cyf_ecommerce.sql` in VSCode and examine the SQL code. Take a pie
 Once you understand the database that you are going to work with, solve the following challenge by writing SQL queries using everything you learned about SQL:
 
 1. Retrieve all the customers' names and addresses who live in the United States
+===> SELECT name, address from customers where country='United States';
+
 2. Retrieve all the customers in ascending name sequence
+===> SELECT * from customers order by name asc;
+
 3. Retrieve all the products whose name contains the word `socks`
+===> SELECT * from products where product_name like '%socks%';
+
 4. Retrieve all the products which cost more than 100 showing product id, name, unit price and supplier id.
+===> select product_availability.prod_id,product_availability.unit_price,products.product_name,suppliers.supplier_name from product_availability join products on (products.id=product_availability.prod_id)join suppliers on(suppliers.id=product_availability.supp_id)where product_availability.unit_price >100;
+
 5. Retrieve the 5 most expensive products
+===>
+
 6. Retrieve all the products with their corresponding suppliers. The result should only contain the columns `product_name`, `unit_price` and `supplier_name`
 7. Retrieve all the products sold by suppliers based in the United Kingdom. The result should only contain the columns `product_name` and `supplier_name`.
 8. Retrieve all orders, including order items, from customer ID `1`. Include order id, reference, date and total cost (calculated as quantity * unit price).