MySQL Solution
select distinct p1.product_id, p1.product_name\nfrom Product p1, Sales s1\nwhere p1.product_id not in(\n    select product_id \n    from Sales\n    where sale_d
select distinct p1.product_id, p1.product_name\nfrom Product p1, Sales s1\nwhere p1.product_id not in(\n    select product_id \n    from Sales\n    where sale_date not between \'2019-01-01\' and \'2019-03-31\')\n    and p1.product_id = s1.product_id
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