![](/img/trans.png)
[英]Select distinct column and then count 2 columns that relate to that column in MySQL
[英]SELECT COUNT DISTINCT as columns
弄清楚了 :
SELECT filetype,COUNT(filetype),time FROM factbucketmetrics WHERE operation = 'INSERT' GROUP BY time,filetype;
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.