London 9 - Zobeir - SQL - Week 2

E-Commerce/readme.md

@@ -17,7 +17,6 @@ To prepare your environment, open a terminal and create a new database called `c
 ```sql
 createdb cyf_ecommerce
 ```
-
 Import the file [`cyf_ecommerce.sql`](./cyf_ecommerce.sql) in your newly created database:
 
 ```sql
@@ -46,12 +45,59 @@ 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 prod_id, product_name, unit_price, supp_id
+FROM product_availability as pa
+INNER JOIN products as p on (pa.prod_id=p.id)
+INNER JOIN suppliers as s on (pa.supp_id=s.id)
+WHERE unit_price > 100;
+-->
 - [ ] List the 5 most expensive products
+<!-- 
+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
+<!-- 
+SELECT product_name, supplier_name
+FROM products as p
+INNER JOIN product_availability as pa ON (pa.prod_id=p.id)
+INNER JOIN suppliers as s ON (s.id=pa.supp_id)
+WHERE country = 'United Kingdom';
+ -->
 - [ ] List all orders, including order items, from customer named Hope Crosby
+<!-- 
+SELECT order_id, product_id, supplier_id, quantity
+FROM order_items oi
+INNER JOIN orders as o ON (oi.order_id=o.id)
+INNER JOIN customers as c ON (c.id=o.customer_id)
+WHERE c.name LIKE '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 products as p
+INNER JOIN product_availability as pa ON (p.id=pa.prod_id)
+INNER JOIN order_items as oi ON (oi.product_id=p.id)
+INNER JOIN orders as o ON (o.id=oi.order_id)
+WHERE 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, p.product_name, s.supplier_name, oi.quantity
+ FROM customers as c
+ INNER JOIN orders as o ON(c.id = o.id)
+ INNER JOIN order_items as oi ON (oi.order_id = o.id)
+ INNER JOIN products as p ON (p.id = oi.product_id)
+ INNER JOIN suppliers as s ON (s.id = oi.supplier_id);
+ -->
 
 ## Acceptance Criteria