select * from t_bus_shop_type WHERE `school_id` = 1 or `school_id` is NULL and `status` != 3;
是is null 不是= null
本文共 165 字，大约阅读时间需要 1 分钟。
select * from t_bus_shop_type WHERE `school_id` = 1 or `school_id` is NULL and `status` != 3;
是is null 不是= null
转载于:https://www.cnblogs.com/wangbiubiu/p/9639047.html