加入收藏 | 设为首页 | 会员中心 | 我要投稿 李大同 (https://www.lidatong.com.cn/)- 科技、建站、经验、云计算、5G、大数据,站长网!
当前位置: 首页 > 百科 > 正文

PostgreSQL 查询表中重复数据

发布时间:2020-12-13 17:10:49 所属栏目:百科 来源:网络整理
导读:1)查询表中重复数据 SELECT * FROM "tbScenics" WHERE "Scenic_Id" NOT IN ( SELECT max("Scenic_Id") FROM "tbScenics" GROUP BY "Scenic_Name","Scenic_Des","Scenic_Price","Scenic_Ticket" ); 2)删除表中重复数据 DELETE * FROM "tbScenics" WHERE "Scen

1)查询表中重复数据

SELECT * FROM "tbScenics"
WHERE "Scenic_Id"
NOT IN (
SELECT max("Scenic_Id")
FROM "tbScenics"
GROUP BY "Scenic_Name","Scenic_Des","Scenic_Price","Scenic_Ticket"

);

2)删除表中重复数据 DELETE * FROM "tbScenics" WHERE "Scenic_Id" NOT IN ( SELECT max("Scenic_Id") FROM "tbScenics" GROUP BY "Scenic_Name","Scenic_Ticket" );

(编辑:李大同)

【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!

    推荐文章
      热点阅读