Useful code examples and solutions I've collected. Feel free to use and learn from them!
// SQL JOIN Query
// Join multiple tables to get related data
SELECT
users.name,
orders.order_date,
products.product_name,
order_items.quantity
FROM users
INNER JOIN orders ON users.id = orders.user_id
INNER JOIN order_items ON orders.id = order_items.order_id
INNER JOIN products ON order_items.product_id = products.id
WHERE users.id = 1
ORDER BY orders.order_date DESC;