标签:div _id join style rom parent class blog select
//查找所有分类及其父类
SELECT s.type_id,
s.type_name,
p.type_name
FROM 表1 AS s
LEFT JOIN 表2 AS p ON s.parent_id= p.type_id;
标签:div _id join style rom parent class blog select
原文地址:http://www.cnblogs.com/dengyg200891/p/6030484.html