标题: 怎样办理SQL_ERROR_INFO: “You have an error in your SQL syntax； check [打印本页] 作者: 宁睿 时间: 2024-6-15 03:38 标题: 怎样办理SQL_ERROR_INFO: “You have an error in your SQL syntax； check 怎样办理SQL_ERROR_INFO: “You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘.difficult_level\n (count(q1.question_id)/count(distinct q1.device_id)) as avg’ at line 3”