select u.first_name, o.id as order_id, oi.quantity, p.name, r.rating, 
           it.transaction_type, t.ticket_number
    from users u
    left join orders o on u.id = o.user_id
    left join order_items oi on o.id = oi.order_id
    left join products p on oi.product_id = p.id
    left join reviews r on p.id = r.product_id and r.user_id = u.id
    left join inventory_transactions it on p.id = it.product_id
    left join customer_support_tickets t on u.id = t.user_id and o.id = t.order_id
    where u.id <= 3
    limit 10;