Brian Dunning wrote:
I'm trying to find a list of customers including a count of all their
invoices, but it's not including customers who have no invoices - and
it should. What's broken?
SELECT customers.company, count(invoices.id) as invcount
FROM customers, invoices
WHERE customers.id= invoices.customer_id
GROUP BY customers.id
ORDER BY customers.creation desc
Thanks!
- you need a LEFT JOIN. See http://dev.mysql.com/doc/refman/5.0/en/join.html
- ian
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