WM | N/A | Saleh Yousef | Sprint 2 | E-Commerce Database

E-Commerce/README.md

@@ -45,14 +45,58 @@ erDiagram
 
 Write SQL queries to complete the following tasks:
 
-- [ ] List all the products whose name contains the word "socks"
-- [ ] List all the products which cost more than 100 showing product id, name, unit price, and supplier id
-- [ ] List the 5 most expensive products
-- [ ] List all the products sold by suppliers based in the United Kingdom. The result should only contain the columns product_name and supplier_name
-- [ ] List all orders, including order items, from customer named Hope Crosby
-- [ ] List all the products in the order ORD006. The result should only contain the columns product_name, unit_price, and quantity
+- [ ] List all the products whose name contains the word "socks".
+``` sql
+SELECT * FROM products
+WHERE  product_name ILIKE '%socks%';
+```
+- [ ] List all the products which cost more than 100 showing product id, name, unit price, and supplier id.
+``` sql
+SELECT     p.id AS product_id, p.product_name, pa.unit_price, pa.supp_id AS supplier_id
+FROM products p
+JOIN product_availability pa ON p.id = pa.prod_id
+WHERE pa.unit_price > 100;
+```
+- [ ] List the 5 most expensive products.
+```sql
+SELECT * FROM product_availability
+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.
+```sql
+SELECT p.product_name, s.supplier_name
+FROM products p
+JOIN product_availability pa ON p.id = pa.prod_id
+JOIN suppliers s ON pa.supp_id = s.id
+WHERE s.country = 'United Kingdom';
+```
+- [ ] List all orders, including order items, from customer named Hope Crosby.
+``` sql
+SELECT * FROM order_items oi
+JOIN orders o ON oi.id = o.customer_id
+JOIN customers c ON o.customer_id = c.id
+WHERE c.name  = 'Hope Crosby';
+```   
+- [ ] List all the products in the order ORD006. The result should only contain the columns product_name, unit_price, and quantity.
+```sql
+SELECT p.product_name, pa.unit_price, oi.quantity
+FROM product_availability pa
+JOIN products p ON pa.prod_id = p.id
+JOIN order_items oi ON p.id = oi.product_id
+JOIN orders o ON oi.order_id = o.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
-
+```sql
+SELECT c.name, o.order_reference, o.order_date, p.product_name, s.supplier_name, oi.quantity
+FROM customers c 
+JOIN orders o ON c.id = o.customer_id
+JOIN order_items oi ON o.id = oi.order_id 
+JOIN products p ON oi.product_id = p.id
+JOIN suppliers s ON oi.supplier_id = s.id
+ORDER BY order_date, c.name;
+```
 ## Acceptance Criteria
 
 - [ ] The `cyf_ecommerce` database is imported and set up correctly