query: SELECT count(*) FROM products WHERE product_id NOT IN ( SELECT product_id FROM Order_items )
question: Are Counting number of products what which have been never ordered them.
query_toks: SELECT count ( * ) FROM products WHERE product_id NOT IN ( SELECT product_id FROM Order_items )
query_toks_no_value: select count ( * ) from products where product_id not in ( select product_id from order_items )
question_toks: Are Counting number of products what which have been never ordered them.