如何编写SQL来查询包含 3、5、7 或 9 项目的所有订单？( )
SELECT * FROM orders WHERE LIMIT item_count (3, 5, 7, 9);
SELECT * FROM orders WHERE item_count IN (3, 5, 7, 9);
SELECT * FROM orders WHERE item_count LIKE (3, 5, 7, 9);
SELECT * FROM orders WHERE item_count = (3, 5, 7, 9);
