Решение

SELECT
  p.product_id,
  p.product_name
FROM Product AS p
JOIN Sales AS s
  ON p.product_id = s.product_id
GROUP BY
  p.product_id,
  p.product_name
HAVING
  SUM(CASE
        WHEN s.sale_date < '2019-01-01'
          OR s.sale_date > '2019-03-31'
        THEN 1
        ELSE 0
      END) = 0;