MCB | Saidumar Akbarov | Module-Databases | Week-3

E-Commerce/cyf_ecommerce.sql

@@ -477,3 +477,16 @@ VALUES (19,
         1,
         5);
 
+select * from products where product_name like '%socks%';
+
+SELECT a.id, a.product_name, b.supp_id, b.unit_price FROM products a INNER JOIN product_availability b ON a.id = b.prod_id WHERE b.unit_price > 100;
+
+SELECT a.id, a.product_name, b.supp_id, b.unit_price FROM products a INNER JOIN product_availability b ON a.id = b.prod_id ORDER BY b.unit_price DESC  LIMIT 5;
+
+SELECT a.product_name, b.supplier_name FROM products a INNER JOIN product_availability c ON a.id = c.prod_id INNER JOIN suppliers b ON c.supp_id = b.id WHERE b.country = 'United Kingdom';
+
+select a.*, b.* from orders a INNER JOIN order_items b ON a.id = b.order_id INNER JOIN customers c ON a.customer_id = c.id WHERE c.name = 'Hope Crosby';
+
+select distinct p.product_name, pa.unit_price, oi.quantity from products p INNER JOIN product_availability pa ON p.id = pa.prod_id INNER JOIN order_items oi ON            p.id = oi.product_id INNER JOIN orders o ON oi.order_id = o.id WHERE o.order_reference = 'ORD006';
+
+select c.name AS customer_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 oi.product_id = p.id INNER JOIN product_availability pa ON p.id = pa.prod_id INNER JOIN suppliers s ON pa.supp_id = s.id;

E-Commerce/readme.md

@@ -45,17 +45,17 @@ 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 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
+- [V] List all the products whose name contains the word "socks"
+- [V] List all the products which cost more than 100 showing product id, name, unit price, and supplier id
+- [V] List the 5 most expensive products
+- [V] List all the products sold by suppliers based in the United Kingdom. The result should only contain the columns product_name and supplier_name
+- [V] List all orders, including order items, from customer named Hope Crosby
+- [V] List all the products in the order ORD006. The result should only contain the columns product_name, unit_price, and quantity
+- [V] 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
 
 ## Acceptance Criteria
 
-- [ ] The `cyf_ecommerce` database is imported and set up correctly
-- [ ] The database schema is drawn correctly to visualize relationships between tables
-- [ ] The SQL queries retrieve the correct data according to the tasks listed above
-- [ ] The pull request with the answers to the tasks is opened on the `main` branch of the `E-Commerce` repository
+- [v] The `cyf_ecommerce` database is imported and set up correctly
+- [v] The database schema is drawn correctly to visualize relationships between tables
+- [v] The SQL queries retrieve the correct data according to the tasks listed above
+- [v] The pull request with the answers to the tasks is opened on the `main` branch of the `E-Commerce` repository