CREATE TABLE invoices (billing_country VARCHAR2)

A list of the top 5 countries by number of invoices. List country name and number of invoices.
SELECT billing_country, COUNT(*) FROM invoices GROUP BY billing_country ORDER BY COUNT(*) DESC LIMIT 5
SELECT "billing_country", COUNT(*) FROM "invoices" GROUP BY "billing_country" ORDER BY COUNT(*) DESC FETCH FIRST 5 ROWS ONLY