摘要: FULL (OUTER) JOIN -- sqlserver,oracle,hive写法 select * from t1 full join t2 on t1.id = t2.id; -- mysql 没有 full outer join: 用left join + right join + un 阅读全文
posted @ 2021-04-23 15:01 hawking8su 阅读(467) 评论(0) 推荐(0) 编辑