Question: Code example 4 - 1 SELECT vendor _ name, invoice _ number FROM invoices LEFT JOIN vendors ON invoices.vendor _ id = vendors.vendor _ id

Code example 4-1
SELECT vendor_name, invoice_number
FROM invoices LEFT JOIN vendors
ON invoices.vendor_id = vendors.vendor_id
(Refer to code example 4-1.) The total number of rows returned by this query must equal
Group of answer choices
the number of rows in the Invoices table
the number of rows in the Vendors table
the number of rows in the Invoices table plus the number of rows in the Vendors table
none of the above

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