Week 2 Selina

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

@@ -10,6 +10,71 @@ To submit this homework write the correct commands for each question here:
 
 ```sql
 
+1.  SELECT name, address FROM customers
+    WHERE country = 'United States';
+
+2.  SELECT * FROM customers
+    ORDER BY name ASC;
+
+3.  SELECT * FROM products
+    WHERE unit_price > 100;
+
+4.  SELECT * FROM products
+    WHERE product_name
+    LIKE '%socks%';
+
+5.  SELECT * FROM products
+    ORDER BY unit_price
+    DESC LIMIT 5;
+
+6.  SELECT p.product_name, p.unit_price, s.supplier_name
+    FROM products p
+    INNER JOIN suppliers s
+    ON p.supplier_id = s.id;
+
+7.  SELECT p.product_name, s.supplier_name
+    FROM products p
+    INNER JOIN suppliers s
+    ON p.supplier_id = s.id
+    WHERE s.country = 'United Kingdom';
+
+8.  SELECT * FROM orders
+    WHERE customer_id = 1;
+
+9.  SELECT * FROM orders
+    INNER JOIN customers
+    ON customers.id = orders.customer_id
+    WHERE customers.name = 'Hope Crosby';
+
+10. SELECT p.product_name, p.unit_price, oi.quantity
+    FROM products p
+    INNER JOIN order_items oi
+    ON p.id = oi.product_id
+    INNER JOIN orders o
+    ON o.id = oi.order_id
+    WHERE o.order_reference = 'ORD006';
+
+11. 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 o.id = oi.order_id
+    INNER JOIN products p
+    ON p.id = oi.product_id
+    INNER JOIN suppliers s ON s.id = p.supplier_id;
+
+12. SELECT c.name
+    FROM customers c
+    INNER JOIN orders o
+    ON c.id = o.customer_id
+    INNER JOIN order_items oi
+    ON o.id = oi.order_id
+    INNER JOIN products p
+    ON p.id = oi.product_id
+    INNER JOIN suppliers s
+    ON s.id = p.supplier_id
+    WHERE s.country = 'China';
 
 ```
 

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

@@ -0,0 +1,2 @@
+node_modules
+.env