nonespace
5/28/2018 - 11:37 AM
多表查询
arctle,category,class 连表
where 设置搜索条件
select * from arctle,category,class where category.cate_id=arctle.cate_id and arctle.class_id= class.id and class.id=2arctle,category,class 连表
where 设置搜索条件
select * from arctle,category,class where category.cate_id=arctle.cate_id and arctle.class_id= class.id and class.id=2