标签:full join mysql sql union join
MySQL Full Join的实现 因为MySQL不支持FULL JOIN,下面是替代方法 left join + union(可去除重复数据)+ right join select * from A left join B on A.id = B.id (where 条件) union select *
from A right join B on A.id = B.id (where条件);
标签:full join mysql sql union join
原文地址:http://blog.csdn.net/jklfjsdj79hiofo/article/details/40399265