Thanks everyone for such quick and thorough responses!
Quoting [EMAIL PROTECTED]:
James Nobis <[EMAIL PROTECTED]> wrote on 04/21/2005
10:44:07 AM:
The problem is something fairly simple but yet MySQL seems to make this
complicated. Essentially, find a list of customers who have not
bought product
There is nothing wrong with what MySQL is doing. Your query is
incorrect for what you are looking for. Step through your query and
you'll see your error.
SELECT DISTINCT Customer.id, Customer.name
FROM Customer
LEFT JOIN `Order` ON Customer.id = Order.customer_id
You now have a list of the all y
James Nobis <[EMAIL PROTECTED]> wrote on 04/21/2005
10:44:07 AM:
> The problem is something fairly simple but yet MySQL seems to make this
> complicated. Essentially, find a list of customers who have not
> bought product
> X ever. (Customers have orders, orders have order line items). All
>
From: "James Nobis"
> SELECT DISTINCT Customer.id, Customer.name
> FROM Customer
> LEFT JOIN `Order` ON Customer.id = Order.customer_id
> INNER JOIN OrderLines ON Order.id = OrderLines.order_id
> AND OrderLines.product_id =9
> WHERE Order.customer_id IS NULL
I expect customers to have placed at le
