Написать SQL запрос
2 USDЕсть таблица "products"
В ней есть две колонки "product_id" и "category_id"
нужно продублировать каждый "product_id" с новым "category_id" который равен 33
например было
"product_id" "category_id"
45 56
22 54
Должно быть
"product_id" "category_id"
45 56
45 33
22 54
22 33
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