Hello all,
I'm sure that this situation is one of the most wondered questions with
JOIN clauses. Anyway, I couldn't find any clear information how to carry
out multiple joins in one query with proper results.
I have four tables:
1. Invoices
2. InvoiceContents
3. Customers
4. Payments
I try to
Ville,
SELECT Invoices.*, SUM(InvoiceContents.Amount * InvoiceContents.Price)
AS InvoiceTotal, Customers.Name, SUM(Payments.Amount) PaidTotal,
MAX(Payments.Date) LastPayment FROM Invoices LEFT JOIN InvoiceContents
ON (InvoiceContents.InvoiceID = Invoices.ID) LEFT JOIN Customers ON
(Customers.ID
Ville Mattila wrote:
I try to get a list of all Invoices with total sum of the invoice and
paid sum of each invoices, as well as a customer name. I try following
query:
SELECT Invoices.*, SUM(InvoiceContents.Amount * InvoiceContents.Price)
AS InvoiceTotal, Customers.Name, SUM(Payments.Amount)
