Question: 7 . ) Use a correlated subquery to return to return one row per vendor, representing the vendor's oldest invoice ( the one w /

7.) Use a correlated subquery to return to return one row per vendor, representing the vendor's
oldest invoice (the one w/ earliest date).
Each row should include these 4 columns:
vendor_name
invoice_number
invoice_date
invoice_total
Sort results by vendor_name--> should return 34 rows.
8.) Rewrite exercise 7 so it gets the same result but uses an inline view
instead of a correlated subquery.

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