GTabala/week3

week-2/mandatory/2-ecommerce-db/task.md

@@ -8,10 +8,41 @@ Below you will find a set of tasks for you to complete to set up a databases of
 
 To submit this homework write the correct commands for each question here:
 
-```sql
+1. Retrieve all the customers names and addresses who lives in United States
+SELECT name, address FROM customers WHERE country='United States';
 
+2. Retrieve all the customers ordered by ascending name
+SELECT * FROM customers ORDER BY name;
 
-```
+3. Retrieve all the products which cost more than 100
+SELECT * FROM products WHERE unit_price > 100;
+
+4. Retrieve all the products whose name contains the word socks
+SELECT * FROM products WHERE product_name LIKE '%socks%';
+
+5. Retrieve the 5 most expensive products
+SELECT * FROM products ORDER BY unit_price DESC LIMIT 5;
+
+6. Retrieve all the products with their corresponding suppliers. The result should only contain the columns product_name, unit_price and supplier_name
+SELECT p.product_name, p.unit_price, s.supplier_name FROM products p INNER JOIN suppliers s ON s.id = p.supplier_id;
+
+7. Retrieve all the products sold by suppliers based in the . The result should only contain the columns product_name and supplier_name.
+SELECT p.product_name, s.supplier_name FROM products p INNER JOIN suppliers s ON s.id = p.supplier_id WHERE s.country = 'United Kingdom';
+
+8. Retrieve all orders from customer ID 1
+SELECT * FROM orders WHERE customer_id = 1;
+
+9. Retrieve all orders from customer named Hope Crosby
+SELECT o.* FROM orders o INNER JOIN customers c ON c.id = o.customer_id WHERE c.name = 'Hope Crosby';
+
+10. Retrieve all the products in the order ORD006. The result should only contain the columns product_name, unit_price and quantity.
+SELECT p.product_name, p.unit_price, oi.quantity FROM order_items oi INNER JOIN products p ON p.id = oi.product_id INNER JOIN orders o ON o.id = oi.order_id WHERE o.order_reference = 'ORD006';
+
+11. Retrieve 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 c INNER JOIN orders o ON c.id = o.customer_id INNER JOIN order_items oi ON oi.order_id = o.id INNER JOIN products p ON oi.product_id = p.id INNER JOIN suppliers s ON s.id = p.supplier_id;
+
+12. Retrieve the names of all customers who bought a product from a supplier from China.
+SELECT DISTINCT name FROM customers c INNER JOIN orders o ON c.id = o.customer_id INNER JOIN order_items oi ON oi.order_id = o.id INNER JOIN products p ON oi.product_id = p.id INNER JOIN suppliers s ON p.supplier_id = s.id WHERE s.country = 'China';
 
 When you have finished all of the questions - open a pull request with your answers to the `Databases-Homework` repository.
 

week-3/mandatory/2-api/cyf-ecommerce-api/.gitignore

@@ -0,0 +1,10 @@
+# Node build artifacts
+node_modules
+npm-debug.log
+# Local development
+*.env
+*.dev
+.DS_Store
+# Docker
+Dockerfile
+docker-compose.yml