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MySql合并行并在结果表中显示项目计数？_Mysql_Sql - Fatal编程技术网
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MySql合并行并在结果表中显示项目计数？

mysql sql

MySql合并行并在结果表中显示项目计数？,mysql,sql,Mysql,Sql,是否可以从表中获得如图所示的结果： 如何使用mysql查询实现这一点？ 谢谢, SELECT `UID`, `USER`, COUNT(RID) AS "RID-Count", SUM(`COUNT`) AS COUNT FROM TABLE1 GROUP BY `UID`, `USER` 假设cat的RID为空 假设cat的RID为空

是否可以从表中获得如图所示的结果：

如何使用mysql查询实现这一点？ 谢谢,

SELECT `UID`, `USER`, COUNT(RID) AS "RID-Count", SUM(`COUNT`) AS COUNT
FROM TABLE1
GROUP BY `UID`, `USER`
假设cat的RID为空

假设cat的RID为空