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MySQLFullJoin的实现_MySQL

时间:2021-07-01 10:21:17 帮助过:66人阅读

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);
 

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