MySQL中各种链接操作

越陌度阡

发布于 2020-11-26 12:16:41

1.9K0

SELECT * FROM Table_A A INNER JOIN Table_B B ON A.Key = B.Key;

SELECT * FROM Table_A A LEFT JOIN Table_B B ON A.Key = B.Key;

SELECT *FROM Table_A A RIGHT JOIN Table_B B ON A.Key = B.Key;

SELECT * FROM Table_A A FULL OUTER JOIN Table_B B ON A.Key = B.Key;

SELECT * FROM Table_A A LEFT JOIN Table_B B ON A.Key = B.Key WHERE B.Key IS NULL;

SELECT * FROM Table_A A RIGHT JOIN Table_B B ON A.Key = B.Key WHERE A.Key IS NULL;

SELECT * FROM Table_A A FULL OUTER JOIN Table_B B ON A.Key = B.Key WHERE A.Key IS NULL OR B.Key IS NULL;

本文参与腾讯云自媒体同步曝光计划，分享自作者个人站点/博客。

原始发表：2020/04/29 ，如有侵权请联系 cloudcommunity@tencent.com 删除