ما هو الخطاء في هذا الاستعلام
SELECT product.name, product.id, category.name, category.id, product.category FROM product INNER JOIN category ON product.category=category.id GROUP BY category.name;
رسالة الخطاء تقول
you tried execute a query that does not include the specified expression'name'as part of an aggre gate functuion