NW6 | Sabella Fisseha | Module-Database | E-commerce | Week 3

E-Commerce/readme.md

@@ -46,13 +46,61 @@ erDiagram
 Write SQL queries to complete the following tasks:
 
 - [ ] List all the products whose name contains the word "socks"
+
+            select * 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 pr.id AS product_id, pr.product_name, pa.unit_price, s.id AS supplier_id
+            FROM product_availability pa
+            JOIN products pr ON pa.prod_id = pr.id
+            JOIN suppliers s ON pa.supp_id = s.id
+            WHERE pa.unit_price > 100;
+
 - [ ] List the 5 most expensive products
+
+            SELECT pr.id as product_id, pr.product_name,pa.unit_price
+            FROM product_availability pa
+            JOIN products pr ON pa.prod_id = pr.id
+            ORDER BY pa.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 pr.product_name, s.supplier_name
+            FROM suppliers s
+            JOIN product_availability pa ON pa.supp_id = s.id
+            JOIN products pr ON pr.id = pa.prod_id
+            WHERE s.country = 'United Kingdom';
+
 - [ ] List all orders, including order items, from customer named Hope Crosby
+
+            SELECT orders.* ,order_items.* from orders
+            JOIN customers on customers.id = orders.customer_id
+            JOIN order_items on order_items.order_id = orders.id
+            join product_availability pa on order_items.product_id = pa.prod_id
+            AND order_items.supplier_id = pa.supp_id
+            WHERE customers.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 pr.product_name, pa.unit_price, oi.quantity
+            from products pr
+            join product_availability pa on pr.id = pa.prod_id
+            join order_items oi on pa.prod_id = oi.product_id
+            join orders o on o.id = oi.order_id
+            where o.order_reference = '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 c.name, o.order_reference, o.order_date, pr.product_name, s.supplier_name, oi.quantity
+            from products pr
+            join product_availability pa on pr.id = pa.prod_id
+            join suppliers s on pa.supp_id = s.id
+            join order_items oi on oi.product_id = pa.prod_id
+            join orders o on o.id = oi.order_id
+            join customers c on c.id = o.customer_id;
+
+
 ## Acceptance Criteria
 
 - [ ] The `cyf_ecommerce` database is imported and set up correctly