`
haiziwoainixx
  • 浏览: 408783 次
  • 性别: Icon_minigender_1
  • 来自: 北京
社区版块
存档分类
最新评论

mysql sqlserver下更新多表的区别

 
阅读更多

mysql 下:

update VideoFrequency , VideoFrequencyLibrary
set VideoFrequency. resourceUrl = VideoFrequencyLibrary.Url

where
 VideoFrequency.id = VideoFrequencyLibrary.videoId
and
length(resourceUrl) < 1


sqlserver下:

 

update VideoFrequency
set VideoFrequency. resourceUrl = VideoFrequencyLibrary.Url
from  VideoFrequency, VideoFrequencyLibrary
where
 VideoFrequency.id = VideoFrequencyLibrary.videoId
and
length(resourceUrl) < 1

 

 

 

 

分享到:
评论

相关推荐

Global site tag (gtag.js) - Google Analytics