Answer:
1. SELECT VendorID, MAX(InvoiceTotal) AS InvoiceMax
FROM Invoices
WHERE InvoiceTotal - CreditTotal - PaymentTotal > 0
GROUP BY VendorID
2. SELECT SUM(InvoiceMax) AS SumOfMaximums
FROM (SELECT VendorID, MAX(InvoiceTotal) AS InvoiceMax
FROM Invoices
WHERE InvoiceTotal - CreditTotal - PaymentTotal > 0
GROUP BY VendorID) AS MaxInvoice
<span>500 errors may indicate that an attacker is trying to send invalid data to the server. </span>
Ferruccio Lamborghini
He is the creator/inventor of the Lamborghini.
They have a sound package. More info here: https://atom.io/packages/sound