您的位置：首页 > 数据库 > MySQL

mysql 把一个表某个字段的内容复制到另一张表的某个字段

2017-01-25 00:00 585 查看
// 加上 WHWRE 后修改指定的，不加则全部

update `aws_users` AS b set b.`user_name` = (select a.`nickname`  from `aws_users_yangfan` AS a where a.`uid` = b.`uid` )
update `aws_users` AS b set b.`user_name` = (select a.`nickname`  from `aws_users_yangfan` AS a where a.`uid` = b.`uid` ) WHWRE  a.`uid` = 8

UPDATE `aws_users` AS b SET b.group_id = 4 WHERE b.group_id = 100

UPDATE `aws_users` AS b SET b.group_id = 100 WHERE b.yangfan_id IN (SELECT a.`uid` FROM `aws_users_yangfan_space` AS a)

ps:
http://www.jb51.net/article/48919.htm
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 点击这里给我发消息
标签： 
相关文章推荐
新的分享
章节导航