MySQL Show results where not all conditions are met
I have three tables Table A (orders) order_number order_id 9999 123 Table B (order_items) order_id product_id price 123 111 10 123 112 11 123 113 12 123 114 13 and Table C (product_customfields) product_id customfield_id customfield_value 111 10 A 112…