Home >Database >Mysql Tutorial >关于mysql查询差值的方法
关于mysql查询差值的方法
- WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOriginal
- 2016-06-06 09:34:541918browse
mysql
当前我有表test，字段id，click，share
我的需求是
算出同一id，click数最大的click和share，减去click第二大的click和share
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：mysql-下面的Java代码有问题吗Next article：mysql-使用Entity Framework链接Mysql数据库所有浮点型字段无法显示问题