MySQL查询某个列中相同值的数量统计

select `type`,count(1) as counts from `api_count` group by `type`
（order by counts DESC）

select
  `type`, //查询某个列
  count(1) as counts //相同值的数量统计到(as)某列中
from
  `api_count` //来自某个表
group by
  `type` //根据(by)一定的规则进行分组(Group)