我有两个SQL的,给了我同样的结果: 查询1: SELECT
u.*, COUNT(po.order_id) products_count
FROM (SELECT * FROM orders o WHERE o.date >= (CURRENT_DATE() - INTERVAL 1 MONTH)) o
LEFT JOIN products_orders po ON po.order_id
我正在使用从Class1到Class2的多对多关系。 exactaly这样的: public class Class1{
[Key]
public int Id { get; set; }
public virtual IList<Class2> Classes2 { get; set; }
//...
}
public class Class2{